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2005 National Survey on Drug Use & Health:  Detailed Tables

60623

Table  4.1D Past Year Initiation of Illicit Drug Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Illicit Drug Use, and Past Year Illicit Drug Users Aged 12 or Older, by Demographic Characteristics: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
TOTAL 100   139   0.04   0.06   0.08   0.10   0.28   0.39  
AGE                
     12-25 64   69   0.11   0.12   0.19   0.20   0.39   0.42  
          12-17 51   50   0.20   0.20   0.26   0.25   0.86   0.86  
               12-13 23   24   0.27   0.29   0.31   0.32   2.44   2.58  
               14-15 33   33   0.36   0.37   0.47   0.46   1.50   1.59  
               16-17 32   31   0.37   0.34   0.59   0.52   1.05   1.02  
          18-25 41   47   0.13   0.14   0.29   0.33   0.38   0.41  
               18-20 37   40   0.28   0.29   0.59   0.58   0.71   0.75  
               21-25 21   26   0.10   0.13   0.26   0.32   0.34   0.40  
     26 or Older 77   115   0.04   0.06   0.08   0.11   0.40   0.60  
GENDER                
     Male 59   68   0.05   0.06   0.10   0.12   0.30   0.35  
     Female 82   118   0.07   0.09   0.11   0.16   0.52   0.73  
GENDER/AGE                
     Male 12-17 33   35   0.26   0.27   0.34   0.35   1.12   1.21  
     Female 12-17 37   35   0.30   0.29   0.38   0.36   1.26   1.23  
*Low precision; no estimate reported.
NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.1P Past Year Initiation of Illicit Drug Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Illicit Drug Use, and Past Year Illicit Drug Users Aged 12 or Older, by Demographic Characteristics: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
TOTAL N/A     0.5864     0.5351     0.5276    
AGE                
     12-25 N/A     0.9402     0.7273     0.7269    
          12-17 N/A     0.9359     0.5749     0.1588    
               12-13 N/A     0.1449     0.1782     0.1221    
               14-15 N/A     0.9678     0.5837     0.0427    
               16-17 N/A     0.2319     0.0620     0.5860    
          18-25 N/A     0.9617     0.9581     0.9377    
               18-20 N/A     0.4435     0.4642     0.5455    
               21-25 N/A     0.3402     0.3339     0.4309    
     26 or Older N/A     0.4971     0.4683     0.4972    
GENDER                
     Male N/A     0.3408     0.3474     0.3310    
     Female N/A     0.9589     0.8807     0.8830    
GENDER/AGE                
     Male 12-17 N/A     0.4139     0.7566     0.1053    
     Female 12-17 N/A     0.5110     0.2829     0.6518    
*Low precision; no estimate reported.
N/A: Not applicable.
NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.2D Past Year Initiation of Marijuana Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Marijuana Use, and Past Year Marijuana Users Aged 12 or Older, by Demographic Characteristics: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
TOTAL 81   121   0.03   0.05   0.06   0.08   0.34   0.46  
AGE                
     12-25 63   65   0.11   0.11   0.17   0.17   0.49   0.49  
          12-17 45   44   0.18   0.17   0.21   0.20   1.02   1.07  
               12-13 16   13   0.19   0.16   0.19   0.16   3.91   4.67  
               14-15 29   30   0.33   0.33   0.37   0.37   1.88   2.02  
               16-17 33   31   0.39   0.35   0.54   0.47   1.26   1.24  
          18-25 45   45   0.14   0.14   0.28   0.28   0.49   0.48  
               18-20 43   39   0.32   0.29   0.58   0.51   0.94   0.88  
               21-25 17   22   0.08   0.11   0.19   0.24   0.34   0.42  
     26 or Older 47   97   0.03   0.05   0.04   0.09   0.37   0.75  
GENDER                
     Male 44   57   0.04   0.05   0.07   0.09   0.31   0.37  
     Female 64   104   0.05   0.08   0.08   0.13   0.65   0.96  
GENDER/AGE                
     Male 12-17 30   30   0.24   0.23   0.28   0.27   1.39   1.46  
     Female 12-17 32   31   0.26   0.25   0.30   0.28   1.56   1.53  
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.2P Past Year Initiation of Marijuana Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Marijuana Use, and Past Year Marijuana Users Aged 12 or Older, by Demographic Characteristics: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
TOTAL N/A     0.7259     0.7083     0.8853    
AGE                
     12-25 N/A     0.1936     0.1269     0.3351    
          12-17 N/A     0.0567     0.0307     0.6966    
               12-13 N/A     0.3157     0.3158     0.3886    
               14-15 N/A     0.4505     0.3084     0.2632    
               16-17 N/A     0.0705     0.0281     0.3997    
          18-25 N/A     0.9620     0.9777     0.9704    
               18-20 N/A     0.3146     0.2962     0.3865    
               21-25 N/A     0.0832     0.0901     0.1048    
     26 or Older N/A     0.4966     0.4953     0.4820    
GENDER                
     Male N/A     0.5281     0.5964     0.5654    
     Female N/A     0.4272     0.4452     0.6832    
GENDER/AGE                
     Male 12-17 N/A     0.4637     0.3381     0.8137    
     Female 12-17 N/A     0.0468     0.0328     0.4500    
*Low precision; no estimate reported.
N/A: Not applicable.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.3D Past Year Initiation of Cigarette Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Cigarette Use, and Past Year Cigarette Users Aged 12 or Older, by Demographic Characteristics: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
TOTAL 72   86   0.03   0.04   0.09   0.10   0.11   0.12  
AGE                
     12-25 66   70   0.11   0.12   0.21   0.22   0.33   0.35  
          12-17 50   50   0.20   0.20   0.26   0.25   0.96   0.97  
               12-13 22   22   0.26   0.26   0.28   0.28   3.11   3.07  
               14-15 30   31   0.33   0.36   0.43   0.44   1.55   1.79  
               16-17 34   33   0.40   0.38   0.67   0.60   1.16   1.13  
          18-25 46   46   0.14   0.14   0.40   0.38   0.30   0.30  
               18-20 41   42   0.30   0.30   0.71   0.68   0.63   0.66  
               21-25 24   22   0.12   0.11   0.40   0.36   0.25   0.23  
     26 or Older 20   40   0.01   0.02   0.04   0.08   0.04   0.08  
GENDER                
     Male 47   58   0.04   0.05   0.15   0.17   0.13   0.16  
     Female 51   59   0.04   0.05   0.11   0.12   0.16   0.18  
GENDER/AGE                
     Male 12-17 32   33   0.25   0.26   0.32   0.33   1.27   1.33  
     Female 12-17 36   36   0.29   0.29   0.38   0.37   1.29   1.32  
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.3P Past Year Initiation of Cigarette Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Cigarette Use, and Past Year Cigarette Users Aged 12 or Older, by Demographic Characteristics: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
TOTAL N/A     0.2270     0.4612     0.2511    
AGE                
     12-25 N/A     0.4257     1.0000     0.2359    
          12-17 N/A     0.9724     0.5799     0.1740    
               12-13 N/A     0.9916     0.9354     0.9881    
               14-15 N/A     0.3224     0.7215     0.0023    
               16-17 N/A     0.3043     0.1131     0.6974    
          18-25 N/A     0.2422     0.5379     0.2174    
               18-20 N/A     0.5865     0.9114     0.3782    
               21-25 N/A     0.3087     0.4413     0.3322    
     26 or Older N/A     0.1309     0.1387     0.1354    
GENDER                
     Male N/A     0.1237     0.3451     0.0863    
     Female N/A     0.7953     0.9184     0.9369    
GENDER/AGE                
     Male 12-17 N/A     0.3547     0.6219     0.1585    
     Female 12-17 N/A     0.4266     0.2222     0.4810    
*Low precision; no estimate reported.
N/A: Not applicable.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.4D Past Year Initiation of Alcohol Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Alcohol Use, and Past Year Alcohol Users Aged 12 or Older, by Demographic Characteristics: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
TOTAL 127   108   0.05   0.04   0.27   0.25   0.08   0.07  
AGE                
     12-25 98   92   0.17   0.16   0.38   0.37   0.30   0.27  
          12-17 73   69   0.29   0.27   0.40   0.38   0.74   0.72  
               12-13 32   28   0.37   0.32   0.41   0.36   2.22   2.29  
               14-15 50   49   0.52   0.52   0.71   0.70   1.26   1.28  
               16-17 47   49   0.51   0.53   0.99   1.00   0.85   0.89  
          18-25 62   61   0.19   0.19   0.91   0.92   0.25   0.24  
               18-20 54   53   0.39   0.36   1.23   1.19   0.53   0.50  
               21-25 39   35   0.19   0.17   1.38   1.30   0.23   0.21  
     26 or Older 74   31   0.04   0.02   0.31   0.14   0.06   0.02  
GENDER                
     Male 73   71   0.06   0.06   0.41   0.39   0.09   0.09  
     Female 103   77   0.08   0.06   0.36   0.31   0.14   0.10  
GENDER/AGE                
     Male 12-17 46   47   0.36   0.36   0.51   0.51   0.98   1.02  
     Female 12-17 50   51   0.40   0.41   0.56   0.56   1.01   1.00  
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.4P Past Year Initiation of Alcohol Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Alcohol Use, and Past Year Alcohol Users Aged 12 or Older, by Demographic Characteristics: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Demographic Characteristic NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
TOTAL N/A     0.3083     0.8115     0.1301    
AGE                
     12-25 N/A     0.5050     0.1975     0.6072    
          12-17 N/A     0.9247     0.5189     0.7125    
               12-13 N/A     0.4471     0.3897     0.5438    
               14-15 N/A     0.5564     0.3208     0.9369    
               16-17 N/A     0.4562     0.7506     0.2165    
          18-25 N/A     0.3799     0.2064     0.3993    
               18-20 N/A     0.5447     0.3225     0.6235    
               21-25 N/A     0.2839     0.2919     0.2685    
     26 or Older N/A     0.4122     0.4751     0.3914    
GENDER                
     Male N/A     0.8333     0.7455     0.7468    
     Female N/A     0.2477     0.5655     0.0781    
GENDER/AGE                
     Male 12-17 N/A     0.7380     0.5213     0.9471    
     Female 12-17 N/A     0.8590     0.7456     0.6489    
*Low precision; no estimate reported.
N/A: Not applicable.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.5D Past Year Initiation of Substance Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 or Older: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
ILLICIT DRUGS3 100   139   0.04   0.06   0.08   0.10   0.28   0.39  
     Marijuana and Hashish 81   121   0.03   0.05   0.06   0.08   0.34   0.46  
     Cocaine 65   50   0.03   0.02   0.03   0.02   1.12   0.92  
          Crack 29   30   0.01   0.01   0.01   0.01   2.30   2.22  
     Heroin 28   20   0.01   0.01   0.01   0.01   5.51   4.73  
     Hallucinogens 55   51   0.02   0.02   0.03   0.02   1.42   1.32  
          LSD 25   29   0.01   0.01   0.01   0.01   3.70   4.03  
          PCP 20   13   0.01   0.01   0.01   0.01   *   *  
          Ecstasy 47   46   0.02   0.02   0.02   0.02   2.29   2.26  
     Inhalants 43   47   0.02   0.02   0.02   0.02   1.75   1.94  
     Nonmedical Use of
        Psychotherapeutics4
120   111   0.05   0.05   0.06   0.06   0.75   0.70  
          Pain Relievers 100   102   0.04   0.04   0.05   0.05   0.82   0.85  
               OxyContin® 54   63   0.02   0.03   0.02   0.03   3.10   3.49  
          Tranquilizers 74   88   0.03   0.04   0.03   0.04   1.40   1.55  
          Stimulants 70   48   0.03   0.02   0.03   0.02   2.10   1.62  
               Methamphetamine 35   21   0.01   0.01   0.02   0.01   2.51   1.70  
          Sedatives 43   40   0.02   0.02   0.02   0.02   4.70   4.53  
ILLICIT DRUGS OTHER THAN MARIJUANA3 100   112   0.04   0.05   0.06   0.06   0.47   0.55  
CIGARETTES 72   86   0.03   0.04   0.09   0.10   0.11   0.12  
     Daily Cigarette Use5 55   58   0.02   0.02   0.04   0.04   --   --  
SMOKELESS TOBACCO 53   58   0.02   0.02   0.03   0.03   0.56   0.56  
CIGARS 112   113   0.05   0.05   0.07   0.07   0.43   0.43  
ALCOHOL 127   108   0.05   0.04   0.27   0.25   0.08   0.07  
*Low precision; no estimate reported.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.5P Past Year Initiation of Substance Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 or Older: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
ILLICIT DRUGS3 N/A       0.5864     0.5351     0.5276    
     Marijuana and Hashish N/A       0.7259     0.7083     0.8853    
     Cocaine N/A       0.0965     0.0914     0.2023    
          Crack N/A       0.7607     0.7611     0.9571    
     Heroin N/A       0.7541     0.7578     0.8845    
     Hallucinogens N/A       0.9074     0.9549     0.6279    
          LSD N/A       0.8851     0.9128     0.5265    
          PCP N/A       0.2030     0.2020     *    
          Ecstasy N/A       0.9868     0.9792     0.9200    
     Inhalants N/A       0.8755     0.8913     0.4266    
     Nonmedical Use of
        Psychotherapeutics4
N/A       0.0383     0.0435     0.0080    
          Pain Relievers N/A       0.0754     0.0875     0.0124    
               OxyContin® N/A       0.2544     0.2601     0.0979    
          Tranquilizers N/A       0.4239     0.4009     0.5595    
          Stimulants N/A       0.0708     0.0657     0.1495    
               Methamphetamine N/A       0.0018     0.0016     0.0166    
          Sedatives N/A       0.9388     0.9533     0.9509    
ILLICIT DRUGS OTHER THAN MARIJUANA3 N/A       0.6228     0.6052     0.7664    
CIGARETTES N/A       0.2270     0.4612     0.2511    
     Daily Cigarette Use5 N/A       0.0669     0.0574     --    
SMOKELESS TOBACCO N/A       0.1164     0.1250     0.4365    
CIGARS N/A       0.1096     0.1214     0.2720    
ALCOHOL N/A       0.3083     0.8115     0.1301    
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.6D Past Year Initiation of Substance Use among Persons Aged 12 to 17, Persons Aged 12 to 17 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 to 17: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
ILLICIT DRUGS3 51   50   0.20   0.20   0.26   0.25   0.86   0.86  
     Marijuana and Hashish 45   44   0.18   0.17   0.21   0.20   1.02   1.07  
     Cocaine 23   23   0.09   0.09   0.09   0.09   3.32   3.04  
          Crack 9   7   0.03   0.03   0.03   0.03   *   *  
     Heroin 8   5   0.03   0.02   0.03   0.02   *   *  
     Hallucinogens 27   26   0.11   0.10   0.11   0.11   2.30   2.65  
          LSD 13   14   0.05   0.05   0.05   0.05   5.16   5.38  
          PCP 9   11   0.04   0.04   0.04   0.04   *   *  
          Ecstasy 20   18   0.08   0.07   0.08   0.07   3.46   3.92  
     Inhalants 32   36   0.13   0.14   0.14   0.15   2.09   2.07  
     Nonmedical Use of
        Psychotherapeutics4
42   37   0.17   0.15   0.18   0.16   1.49   1.39  
          Pain Relievers 42   36   0.17   0.14   0.18   0.15   1.68   1.56  
               OxyContin® 15   14   0.06   0.06   0.06   0.06   4.27   4.34  
          Tranquilizers 22   21   0.09   0.08   0.09   0.08   2.66   3.04  
          Stimulants 21   21   0.09   0.08   0.09   0.08   3.06   3.13  
               Methamphetamine 13   12   0.05   0.05   0.05   0.05   5.41   5.44  
          Sedatives 10   10   0.04   0.04   0.04   0.04   5.63   *  
ILLICIT DRUGS OTHER THAN MARIJUANA3 47   44   0.19   0.18   0.22   0.21   1.22   1.15  
CIGARETTES 50   50   0.20   0.20   0.26   0.25   0.96   0.97  
     Daily Cigarette Use5 32   24   0.13   0.10   0.13   0.10   --   --  
SMOKELESS TOBACCO 29   34   0.11   0.13   0.12   0.14   2.10   2.10  
CIGARS 48   47   0.19   0.19   0.21   0.20   1.41   1.31  
ALCOHOL 73   69   0.29   0.27   0.40   0.38   0.74   0.72  
*Low precision; no estimate reported.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.6P Past Year Initiation of Substance Use among Persons Aged 12 to 17, Persons Aged 12 to 17 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 to 17: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
ILLICIT DRUGS3 N/A       0.9359     0.5749     0.1588    
     Marijuana and Hashish N/A       0.0567     0.0307     0.6966    
     Cocaine N/A       0.7486     0.7597     0.8453    
          Crack N/A       0.4007     0.4000     *    
     Heroin N/A       0.2020     0.2019     *    
     Hallucinogens N/A       0.2777     0.2536     0.6020    
          LSD N/A       0.7895     0.7948     0.3602    
          PCP N/A       0.4021     0.4025     *    
          Ecstasy N/A       0.1062     0.1010     0.7993    
     Inhalants N/A       0.9719     0.9211     0.6717    
     Nonmedical Use of
        Psychotherapeutics4
N/A       0.0155     0.0088     0.0707    
          Pain Relievers N/A       0.0184     0.0117     0.1000    
               OxyContin® N/A       0.4592     0.4568     0.4030    
          Tranquilizers N/A       0.2126     0.2098     0.4293    
          Stimulants N/A       0.7684     0.7662     0.6069    
               Methamphetamine N/A       0.3801     0.3814     0.1395    
          Sedatives N/A       0.6079     0.6062     *    
ILLICIT DRUGS OTHER THAN MARIJUANA3 N/A       0.9371     0.6515     0.3270    
CIGARETTES N/A       0.9724     0.5799     0.1740    
     Daily Cigarette Use5 N/A       0.0339     0.0294     --    
SMOKELESS TOBACCO N/A       0.0314     0.0350     0.0063    
CIGARS N/A       0.7935     0.9278     0.1730    
ALCOHOL N/A       0.9247     0.5189     0.7125    
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.7D Past Year Initiation of Substance Use among Persons Aged 18 to 25, Persons Aged 18 to 25 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 18 to 25: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
ILLICIT DRUGS3 41   47   0.13   0.14   0.29   0.33   0.38   0.41  
     Marijuana and Hashish 45   45   0.14   0.14   0.28   0.28   0.49   0.48  
     Cocaine 41   35   0.13   0.11   0.15   0.13   1.57   1.40  
          Crack 17   21   0.05   0.06   0.06   0.07   4.59   4.42  
     Heroin 10   13   0.03   0.04   0.03   0.04   *   *  
     Hallucinogens 32   32   0.10   0.10   0.13   0.12   1.51   1.40  
          LSD 16   16   0.05   0.05   0.06   0.06   4.10   4.04  
          PCP 14   6   0.04   0.02   0.04   0.02   *   *  
          Ecstasy 25   28   0.08   0.08   0.09   0.10   2.15   2.23  
     Inhalants 23   24   0.07   0.08   0.08   0.09   2.78   2.89  
     Nonmedical Use of
        Psychotherapeutics4
46   43   0.14   0.13   0.20   0.18   0.87   0.81  
          Pain Relievers 43   43   0.13   0.13   0.17   0.17   1.00   0.96  
               OxyContin® 26   23   0.08   0.07   0.09   0.08   3.33   3.12  
          Tranquilizers 31   35   0.10   0.11   0.11   0.12   1.58   1.64  
          Stimulants 30   29   0.09   0.09   0.10   0.10   2.00   2.20  
               Methamphetamine 19   14   0.06   0.04   0.06   0.05   3.14   2.73  
          Sedatives 11   14   0.03   0.04   0.04   0.04   5.44   5.47  
ILLICIT DRUGS OTHER THAN MARIJUANA3 45   44   0.14   0.14   0.22   0.21   0.67   0.67  
CIGARETTES 46   46   0.14   0.14   0.40   0.38   0.30   0.30  
     Daily Cigarette Use5 36   33   0.11   0.10   0.17   0.15   --   --  
SMOKELESS TOBACCO 28   34   0.09   0.11   0.11   0.13   1.00   1.12  
CIGARS 54   58   0.17   0.18   0.28   0.29   0.66   0.70  
ALCOHOL 62   61   0.19   0.19   0.91   0.92   0.25   0.24  
*Low precision; no estimate reported.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.7P Past Year Initiation of Substance Use among Persons Aged 18 to 25, Persons Aged 18 to 25 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 18 to 25: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
ILLICIT DRUGS3 N/A       0.9617     0.9581     0.9377    
     Marijuana and Hashish N/A       0.9620     0.9777     0.9704    
     Cocaine N/A       0.0691     0.0735     0.0085    
          Crack N/A       0.4383     0.4402     0.7152    
     Heroin N/A       0.5487     0.5519     *    
     Hallucinogens N/A       0.1889     0.2095     0.3379    
          LSD N/A       0.9599     0.9695     0.9820    
          PCP N/A       0.0696     0.0696     *    
          Ecstasy N/A       0.6825     0.6894     0.5544    
     Inhalants N/A       0.6967     0.7400     0.6721    
     Nonmedical Use of
        Psychotherapeutics4
N/A       0.0933     0.1663     0.0322    
          Pain Relievers N/A       0.5752     0.7401     0.2178    
               OxyContin® N/A       0.0273     0.0324     0.0036    
          Tranquilizers N/A       0.5227     0.4481     0.9711    
          Stimulants N/A       0.0893     0.1004     0.0747    
               Methamphetamine N/A       0.0268     0.0271     0.0348    
          Sedatives N/A       0.4437     0.4435     0.7460    
ILLICIT DRUGS OTHER THAN MARIJUANA3 N/A       0.8620     0.8381     0.7583    
CIGARETTES N/A       0.2422     0.5379     0.2174    
     Daily Cigarette Use5 N/A       0.1164     0.0995     --    
SMOKELESS TOBACCO N/A       0.1174     0.1421     0.3357    
CIGARS N/A       0.1228     0.2252     0.1326    
ALCOHOL N/A       0.3799     0.2064     0.3993    
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.8D Past Year Initiation of Substance Use among Persons Aged 26 or Older, Persons Aged 26 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 26 or Older: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
ILLICIT DRUGS3 77   115   0.04   0.06   0.08   0.11   0.40   0.60  
     Marijuana and Hashish 47   97   0.03   0.05   0.04   0.09   0.37   0.75  
     Cocaine 39   23   0.02   0.01   0.03   0.01   1.25   0.80  
          Crack 21   19   0.01   0.01   0.01   0.01   2.09   1.91  
     Heroin 25   15   0.01   0.01   0.01   0.01   *   *  
     Hallucinogens 31   30   0.02   0.02   0.02   0.02   2.58   2.63  
          LSD 15   19   0.01   0.01   0.01   0.01   *   *  
          PCP 10   *   0.01   *   0.01   *   *   *  
          Ecstasy 29   33   0.02   0.02   0.02   0.02   *   4.34  
     Inhalants 13   15   0.01   0.01   0.01   0.01   *   *  
     Nonmedical Use of
        Psychotherapeutics4
100   96   0.05   0.05   0.07   0.06   1.21   1.11  
          Pain Relievers 79   84   0.04   0.05   0.05   0.05   1.33   1.34  
               OxyContin® 45   56   0.02   0.03   0.02   0.03   *   *  
          Tranquilizers 62   78   0.03   0.04   0.04   0.05   2.08   2.39  
          Stimulants 58   30   0.03   0.02   0.03   0.02   4.24   2.55  
               Methamphetamine 26   11   0.01   0.01   0.02   0.01   3.37   1.71  
          Sedatives 39   37   0.02   0.02   0.02   0.02   *   *  
ILLICIT DRUGS OTHER THAN MARIJUANA3 75   89   0.04   0.05   0.06   0.07   0.70   0.82  
CIGARETTES 20   40   0.01   0.02   0.04   0.08   0.04   0.08  
     Daily Cigarette Use5 29   42   0.02   0.02   0.03   0.04   --   --  
SMOKELESS TOBACCO 35   26   0.02   0.01   0.02   0.02   0.57   0.39  
CIGARS 79   86   0.04   0.05   0.07   0.07   0.50   0.51  
ALCOHOL 74   31   0.04   0.02   0.31   0.14   0.06   0.02  
*Low precision; no estimate reported.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.8P Past Year Initiation of Substance Use among Persons Aged 26 or Older, Persons Aged 26 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 26 or Older: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
ILLICIT DRUGS3 N/A       0.4971     0.4683     0.4972    
     Marijuana and Hashish N/A       0.4966     0.4953     0.4820    
     Cocaine N/A       0.3130     0.3087     0.4250    
          Crack N/A       0.9611     0.9610     0.9752    
     Heroin N/A       0.7865     0.7886     *    
     Hallucinogens N/A       0.8853     0.8785     0.9771    
          LSD N/A       1.0000     1.0000     *    
          PCP N/A       *     *     *    
          Ecstasy N/A       0.4815     0.4790     *    
     Inhalants N/A       0.9099     0.9096     *    
     Nonmedical Use of
        Psychotherapeutics4
N/A       0.5045     0.5121     0.2874    
          Pain Relievers N/A       0.4664     0.4802     0.2340    
               OxyContin® N/A       1.0000     0.9961     *    
          Tranquilizers N/A       0.3007     0.2937     0.3009    
          Stimulants N/A       0.2728     0.2671     0.3491    
               Methamphetamine N/A       0.0372     0.0364     0.0537    
          Sedatives N/A       0.9787     0.9684     *    
ILLICIT DRUGS OTHER THAN MARIJUANA3 N/A       0.5154     0.4975     0.5697    
CIGARETTES N/A       0.1309     0.1387     0.1354    
     Daily Cigarette Use5 N/A       0.7270     0.7370     --    
SMOKELESS TOBACCO N/A       0.3689     0.3676     0.3035    
CIGARS N/A       0.2889     0.2847     0.4095    
ALCOHOL N/A       0.4122     0.4751     0.3914    
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year.
3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.9C Past Year Initiation of Substance Use among Persons Aged 12 or Older, by Gender: Standard Errors of Numbers in Thousands, 2004 and 2005
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS2 100   139   59   68   82   118  
     Marijuana and Hashish 81   121   44   57   64   104  
     Cocaine 65   50   54   38   34   29  
          Crack 29   30   18   18   22   23  
     Heroin 28   20   19   16   21   13  
     Hallucinogens 55   51   41   41   34   29  
          LSD 25   29   19   26   15   11  
          PCP 20   13   14   10   13   8  
          Ecstasy 47   46   38   36   25   28  
     Inhalants 43   47   30   32   31   33  
     Nonmedical Use of Psychotherapeutics3 120   111   82   65   95   90  
          Pain Relievers 100   102   68   63   83   79  
               OxyContin® 54   63   43   54   33   32  
          Tranquilizers 74   88   48   58   53   66  
          Stimulants 70   48   56   27   41   37  
               Methamphetamine 35   21   21   17   29   14  
          Sedatives 43   40   17   22   40   34  
ILLICIT DRUGS OTHER THAN MARIJUANA2 100   112   69   66   82   90  
CIGARETTES 72   86   47   58   51   59  
     Daily Cigarette Use4 55   58   39   43   39   41  
SMOKELESS TOBACCO 53   58   46   50   31   29  
CIGARS 112   113   83   79   75   85  
ALCOHOL 127   108   73   71   103   77  
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.10C Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: Standard Errors of Numbers in Thousands, 2004 and 2005
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS2 55   57   37   40   39   40  
     Marijuana and Hashish 49   50   33   33   34   35  
     Cocaine 26   25   19   17   19   18  
          Crack 13   10   9   7   9   7  
     Heroin 9   6   7   3   6   5  
     Hallucinogens 30   30   21   22   21   19  
          LSD 15   15   11   13   9   8  
          PCP 9   11   6   9   6   7  
          Ecstasy 23   19   16   13   16   14  
     Inhalants 35   38   25   24   25   27  
     Nonmedical Use of Psychotherapeutics3 45   40   29   27   34   29  
          Pain Relievers 46   38   28   26   34   29  
               OxyContin® 16   17   11   12   12   12  
          Tranquilizers 24   23   14   17   19   16  
          Stimulants 23   23   15   14   18   18  
               Methamphetamine 14   13   8   10   12   9  
          Sedatives 11   10   7   7   9   7  
ILLICIT DRUGS OTHER THAN MARIJUANA2 51   48   34   34   37   34  
CIGARETTES 56   55   37   37   38   39  
     Daily Cigarette Use4 36   28   24   22   25   18  
SMOKELESS TOBACCO 31   37   27   32   15   17  
CIGARS 53   54   37   41   36   33  
ALCOHOL 86   82   54   54   59   58  
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.11C Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: Standard Errors of Numbers in Thousands, 2004 and 2005
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS2 63   68   41   46   47   48  
     Marijuana and Hashish 62   63   41   42   45   43  
     Cocaine 42   36   32   25   25   23  
          Crack 17   16   13   13   10   9  
     Heroin 10   11   8   8   6   7  
     Hallucinogens 42   40   31   32   25   23  
          LSD 20   20   15   17   11   10  
          PCP 15   12   12   10   7   7  
          Ecstasy 30   30   21   23   20   19  
     Inhalants 40   42   28   29   28   28  
     Nonmedical Use of Psychotherapeutics3 59   53   37   35   44   38  
          Pain Relievers 57   50   36   34   42   37  
               OxyContin® 25   23   18   16   18   16  
          Tranquilizers 31   34   20   25   24   22  
          Stimulants 34   32   20   20   28   23  
               Methamphetamine 19   16   12   12   16   11  
          Sedatives 13   15   8   11   9   9  
ILLICIT DRUGS OTHER THAN MARIJUANA2 61   61   41   43   43   42  
CIGARETTES 65   70   43   48   47   47  
     Daily Cigarette Use4 45   40   31   30   30   26  
SMOKELESS TOBACCO 37   47   33   41   19   21  
CIGARS 73   74   53   54   46   48  
ALCOHOL 103   94   63   64   73   66  
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.12C Past Year Initiation of Substance Use among Persons Aged 12 to 49, by Gender: Standard Errors of Numbers in Thousands, 2004 and 2005
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS2 88   96   58   60   66   73  
     Marijuana and Hashish 73   73   44   48   53   54  
     Cocaine 65   48   53   35   34   29  
          Crack 29   30   18   18   22   23  
     Heroin 28   20   19   16   21   13  
     Hallucinogens 55   51   40   41   34   29  
          LSD 25   29   19   26   15   11  
          PCP 20   13   14   10   13   8  
          Ecstasy 46   46   38   36   24   28  
     Inhalants 42   47   29   32   31   32  
     Nonmedical Use of Psychotherapeutics3 92   97   64   63   77   73  
          Pain Relievers 85   86   61   58   70   63  
               OxyContin® 46   44   33   30   33   32  
          Tranquilizers 72   86   48   56   51   63  
          Stimulants 48   47   28   27   37   37  
               Methamphetamine 31   21   21   17   24   14  
          Sedatives 31   25   17   18   26   18  
ILLICIT DRUGS OTHER THAN MARIJUANA2 89   99   69   65   69   74  
CIGARETTES 73   84   47   57   51   58  
     Daily Cigarette Use4 56   58   40   43   39   40  
SMOKELESS TOBACCO 48   57   42   50   30   29  
CIGARS 106   108   78   79   71   76  
ALCOHOL 109   103   70   68   78   73  
*Low precision; no estimate reported.
1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.13D Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2004 and 2005
Substance MEAN AGE
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS1 0.66   1.69   0.75   1.16   1.13   2.78  
     Marijuana and Hashish 0.63   2.28   0.26   1.41   1.06   3.98  
     Cocaine 0.45   0.63   0.55   1.06   0.77   0.47  
          Crack 1.35   1.28   1.24   2.04   2.19   1.56  
     Heroin 2.53   1.55   3.27   1.58   3.66   2.48  
     Hallucinogens 0.57   0.42   0.68   0.62   0.95   0.51  
          LSD 0.71   0.78   0.80   1.01   1.31   0.51  
          PCP 1.17   0.40   0.62   0.33   2.10   0.73  
          Ecstasy 0.61   0.73   0.94   1.00   0.60   1.08  
     Inhalants 0.29   0.34   0.23   0.40   0.54   0.55  
     Nonmedical Use of Psychotherapeutics2 1.08   0.81   2.21   0.93   1.08   1.17  
          Pain Relievers 0.74   0.84   1.17   0.94   1.17   1.26  
               OxyContin® 1.66   2.78   2.64   4.48   1.66   1.94  
          Tranquilizers 0.85   0.88   1.48   1.37   1.08   1.17  
          Stimulants 3.27   0.64   7.00   0.89   1.36   0.90  
               Methamphetamine 1.59   0.73   0.88   0.89   2.69   1.18  
          Sedatives 3.38   4.60   1.76   5.78   4.30   5.92  
ILLICIT DRUGS OTHER THAN MARIJUANA1 0.62   0.74   0.80   0.67   1.13   1.14  
CIGARETTES 0.19   0.33   0.18   0.36   0.31   0.55  
     Daily Cigarette Use3 0.40   0.71   0.51   0.76   0.65   1.23  
SMOKELESS TOBACCO 0.83   0.46   1.02   0.54   1.38   0.89  
CIGARS 0.56   0.59   0.78   0.51   0.80   1.01  
ALCOHOL 0.85   0.25   0.44   0.31   1.49   0.37  
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.13P P Values from Tests of Differences of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2005 Versus 2004
Substance MEAN AGE
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS1 0.2967     0.6128     0.3315    
     Marijuana and Hashish 0.2649     0.0995     0.4636    
     Cocaine 0.8717     0.4944     0.4320    
          Crack 0.4247     0.5441     0.6051    
     Heroin 0.4590     1.0000     0.2957    
     Hallucinogens 0.9854     0.6021     0.5526    
          LSD 0.9556     0.6008     0.2004    
          PCP 0.0478     0.1064     0.0830    
          Ecstasy 0.1841     0.5816     0.1282    
     Inhalants 0.9138     0.1841     0.4950    
     Nonmedical Use of Psychotherapeutics2 0.9626     0.5119     0.4736    
          Pain Relievers 0.7984     0.5058     0.4910    
               OxyContin® 0.5787     0.6738     0.6451    
          Tranquilizers 0.2225     0.1834     0.5755    
          Stimulants 0.2385     0.3233     0.3157    
               Methamphetamine 0.0483     0.1820     0.0894    
          Sedatives 0.3152     0.2589     0.4669    
ILLICIT DRUGS OTHER THAN MARIJUANA1 0.4326     0.5990     0.3227    
CIGARETTES 0.1445     0.1132     0.4305    
     Daily Cigarette Use3 0.2974     0.7773     0.2713    
SMOKELESS TOBACCO 0.2112     0.5275     0.1465    
CIGARS 0.2714     0.7572     0.0992    
ALCOHOL 0.3983     0.8867     0.3542    
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.14D Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: 2004 and 2005
Substance MEAN AGE
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS1 0.05   0.06   0.08   0.08   0.07   0.08  
     Marijuana and Hashish 0.05   0.05   0.08   0.07   0.07   0.08  
     Cocaine 0.09   0.10   0.13   0.13   0.11   0.14  
          Crack 0.21   0.14   0.23   0.19   0.30   0.20  
     Heroin 0.24   0.43   0.30   *   0.39   0.44  
     Hallucinogens 0.09   0.09   0.13   0.12   0.12   0.12  
          LSD 0.24   0.18   0.33   0.21   0.29   0.29  
          PCP 0.35   0.23   0.56   0.18   0.37   0.37  
          Ecstasy 0.11   0.11   0.15   0.16   0.14   0.15  
     Inhalants 0.10   0.10   0.15   0.16   0.12   0.12  
     Nonmedical Use of Psychotherapeutics2 0.06   0.06   0.08   0.10   0.09   0.08  
          Pain Relievers 0.06   0.07   0.09   0.11   0.09   0.08  
               OxyContin® 0.12   0.13   0.17   0.19   0.15   0.19  
          Tranquilizers 0.09   0.09   0.15   0.14   0.13   0.12  
          Stimulants 0.10   0.10   0.15   0.17   0.13   0.13  
               Methamphetamine 0.16   0.19   0.23   0.38   0.21   0.18  
          Sedatives 0.28   0.25   0.42   0.48   0.38   0.28  
ILLICIT DRUGS OTHER THAN MARIJUANA1 0.07   0.07   0.10   0.11   0.08   0.08  
CIGARETTES 0.06   0.06   0.08   0.09   0.08   0.08  
     Daily Cigarette Use3 0.09   0.09   0.11   0.13   0.12   0.11  
SMOKELESS TOBACCO 0.08   0.09   0.10   0.10   0.19   0.17  
CIGARS 0.05   0.05   0.08   0.07   0.08   0.07  
ALCOHOL 0.04   0.04   0.06   0.06   0.05   0.05  
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.14P P Values from Tests of Differences of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: 2005 Versus 2004
Substance MEAN AGE
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS1 0.1337     0.5023     0.1462    
     Marijuana and Hashish 0.6114     0.6629     0.7761    
     Cocaine 0.6330     0.0519     0.2866    
          Crack 0.0863     0.4972     0.0672    
     Heroin 0.1018     *     0.1960    
     Hallucinogens 0.1751     0.1302     0.7314    
          LSD 0.8911     0.7508     0.2529    
          PCP 0.4347     0.0599     0.4945    
          Ecstasy 0.8729     0.2660     0.2778    
     Inhalants 0.0708     0.3510     0.1083    
     Nonmedical Use of Psychotherapeutics2 0.8512     0.7638     0.8501    
          Pain Relievers 0.8912     0.9740     1.0000    
               OxyContin® 0.9463     0.2126     0.2146    
          Tranquilizers 0.6584     0.2873     0.5677    
          Stimulants 0.0813     0.2200     0.1754    
               Methamphetamine 0.7204     0.9275     0.7295    
          Sedatives 0.1321     0.3296     0.2473    
ILLICIT DRUGS OTHER THAN MARIJUANA1 0.4034     0.8203     0.1398    
CIGARETTES 0.6915     0.1396     0.4440    
     Daily Cigarette Use3 0.6846     0.6433     0.8111    
SMOKELESS TOBACCO 0.3579     0.3723     0.8071    
CIGARS 0.1921     0.0889     0.9956    
ALCOHOL 0.2865     0.0850     0.8329    
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.15D Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: 2004 and 2005
Substance MEAN AGE
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS1 0.07   0.08   0.10   0.11   0.09   0.11  
     Marijuana and Hashish 0.07   0.07   0.10   0.10   0.10   0.10  
     Cocaine 0.10   0.11   0.14   0.14   0.15   0.17  
          Crack 0.22   0.16   0.24   0.24   0.34   0.29  
     Heroin 0.32   0.42   0.41   0.62   0.52   0.56  
     Hallucinogens 0.11   0.10   0.15   0.12   0.17   0.16  
          LSD 0.20   0.20   0.27   0.21   0.30   0.40  
          PCP 0.49   0.28   0.68   0.33   0.38   0.42  
          Ecstasy 0.13   0.14   0.17   0.19   0.18   0.19  
     Inhalants 0.13   0.13   0.17   0.20   0.19   0.15  
     Nonmedical Use of Psychotherapeutics2 0.08   0.09   0.11   0.13   0.10   0.12  
          Pain Relievers 0.08   0.09   0.11   0.13   0.11   0.12  
               OxyContin® 0.17   0.18   0.20   0.25   0.28   0.24  
          Tranquilizers 0.12   0.12   0.17   0.17   0.16   0.16  
          Stimulants 0.14   0.14   0.22   0.22   0.18   0.17  
               Methamphetamine 0.23   0.24   0.38   0.36   0.27   0.31  
          Sedatives 0.38   0.31   0.61   0.55   0.43   0.37  
ILLICIT DRUGS OTHER THAN MARIJUANA1 0.08   0.09   0.11   0.13   0.12   0.11  
CIGARETTES 0.08   0.07   0.10   0.11   0.10   0.09  
     Daily Cigarette Use3 0.11   0.10   0.12   0.13   0.16   0.15  
SMOKELESS TOBACCO 0.11   0.11   0.12   0.13   0.23   0.22  
CIGARS 0.06   0.06   0.08   0.08   0.10   0.09  
ALCOHOL 0.05   0.05   0.08   0.08   0.08   0.07  
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.15P P Values from Tests of Differences of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: 2005 Versus 2004
Substance MEAN AGE
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS1 0.2775     0.8496     0.1042    
     Marijuana and Hashish 0.6200     0.3066     0.8581    
     Cocaine 0.3413     0.6343     0.5302    
          Crack 0.0233     0.1587     0.1009    
     Heroin 0.9211     0.6796     0.8727    
     Hallucinogens 0.0553     0.0908     0.3889    
          LSD 0.7789     0.6017     0.6122    
          PCP 0.4846     0.6960     0.4990    
          Ecstasy 0.0395     0.6548     0.0141    
     Inhalants 0.5959     0.3095     0.0555    
     Nonmedical Use of Psychotherapeutics2 0.8576     0.7744     0.9449    
          Pain Relievers 0.3319     0.8462     0.2422    
               OxyContin® 0.4134     0.2785     0.9267    
          Tranquilizers 0.1367     0.2804     0.3606    
          Stimulants 0.4487     0.7724     0.1896    
               Methamphetamine 0.8088     0.6936     0.9018    
          Sedatives 0.1801     0.6714     0.1124    
ILLICIT DRUGS OTHER THAN MARIJUANA1 0.7417     0.3472     0.6674    
CIGARETTES 0.4904     0.3965     0.0837    
     Daily Cigarette Use3 0.3044     0.9483     0.1357    
SMOKELESS TOBACCO 0.3645     0.4184     0.6341    
CIGARS 0.2927     0.9307     0.1401    
ALCOHOL 0.4542     0.1444     0.7155    
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.16D Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 to 49, by Gender: 2004 and 2005
Substance MEAN AGE
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS1 0.34   0.39   0.56   0.53   0.43   0.56  
     Marijuana and Hashish 0.21   0.22   0.26   0.27   0.31   0.33  
     Cocaine 0.45   0.38   0.55   0.56   0.77   0.47  
          Crack 1.35   1.28   1.24   2.04   2.19   1.56  
     Heroin 2.53   1.55   3.27   1.58   3.66   2.48  
     Hallucinogens 0.57   0.42   0.68   0.62   0.95   0.51  
          LSD 0.71   0.78   0.80   1.01   1.31   0.51  
          PCP 1.17   0.40   0.62   0.33   2.10   0.73  
          Ecstasy 0.61   0.73   0.94   1.00   0.60   1.08  
     Inhalants 0.29   0.34   0.23   0.40   0.54   0.55  
     Nonmedical Use of Psychotherapeutics2 0.40   0.52   0.63   0.75   0.59   0.70  
          Pain Relievers 0.42   0.47   0.71   0.67   0.61   0.63  
               OxyContin® 0.97   1.11   1.01   1.10   1.66   1.94  
          Tranquilizers 0.75   0.84   1.48   1.28   0.85   1.11  
          Stimulants 0.62   0.64   0.52   0.89   0.99   0.90  
               Methamphetamine 0.83   0.73   0.88   0.89   1.36   1.18  
          Sedatives 1.89   1.58   1.76   2.09   2.80   2.19  
ILLICIT DRUGS OTHER THAN MARIJUANA1 0.37   0.47   0.64   0.67   0.55   0.66  
CIGARETTES 0.19   0.33   0.18   0.36   0.31   0.55  
     Daily Cigarette Use3 0.40   0.71   0.51   0.76   0.65   1.23  
SMOKELESS TOBACCO 0.47   0.45   0.38   0.52   1.30   0.89  
CIGARS 0.37   0.45   0.43   0.51   0.61   0.73  
ALCOHOL 0.12   0.11   0.10   0.14   0.19   0.16  
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table  4.16P P Values from Tests of Differences of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 to 49, by Gender: 2005 Versus 2004
Substance MEAN AGE
Total Male Female
2004 2005 2004 2005 2004 2005
ILLICIT DRUGS1 0.3290     0.7450     0.1047    
     Marijuana and Hashish 0.4102     0.3563     0.6369    
     Cocaine 0.5098     0.8697     0.4320    
          Crack 0.4247     0.5441     0.6051    
     Heroin 0.4590     1.0000     0.2957    
     Hallucinogens 0.9854     0.6021     0.5526    
          LSD 0.9556     0.6008     0.2004    
          PCP 0.0478     0.1064     0.0830    
          Ecstasy 0.2165     0.6618     0.1282    
     Inhalants 0.9138     0.1841     0.4950    
     Nonmedical Use of Psychotherapeutics2 0.4684     0.6379     0.5953    
          Pain Relievers 0.6382     0.9688     0.5275    
               OxyContin® 0.8161     0.8006     0.6451    
          Tranquilizers 0.2588     0.3044     0.5250    
          Stimulants 0.9048     0.2604     0.6538    
               Methamphetamine 0.0743     0.1820     0.2008    
          Sedatives 0.7880     0.9162     0.7057    
ILLICIT DRUGS OTHER THAN MARIJUANA1 0.2920     0.9012     0.2219    
CIGARETTES 0.1445     0.1132     0.4305    
     Daily Cigarette Use3 0.2974     0.7773     0.2713    
SMOKELESS TOBACCO 0.4989     0.9026     0.2613    
CIGARS 0.0762     0.2076     0.1758    
ALCOHOL 0.7809     0.1476     0.2345    
*Low precision; no estimate reported.
NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview.
1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically.
2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days.
Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

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