Table 2.4. Admissions aged 12 and older, by frequency of use and usual route of administration according to primary substance of abuse: 2011
Percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions.]
Frequency of use and usual route of administration All admis-
sions
Primary substance at admission
Alcohol Opiates Cocaine Mari-
juana/
hashish
Metham-
phetamine/
amphet-
amines
Tran-
quil-
izers
Seda-
tives
Hallu-
cino-
gens
PCP Inhal-
ants
Other/
none
speci-
fied
Alcohol
only
With second-ary
drug
Heroin Other
opiates
Smoked
cocaine
Other
route
Total  1,844,719 400,012 324,370 278,481 186,986 99,401 44,426 333,578 110,471 17,875 3,657 1,818 5,784 1,203 36,657
Frequency of use            
No use in the past month  28.0  26.0  27.4  17.8  21.8  27.5  39.5  36.0  46.0  18.3  23.8  43.9  33.7  34.3  26.9
1-3 times in the past month  12.2  14.9  13.6   4.0   5.8  13.1  17.3  17.1  14.2   7.8   9.0  12.3  16.5  15.4   6.1
1-2 times in the past week   8.8  12.3  10.6   2.9   3.6   9.9  10.2  10.5   9.2   4.3   5.2   7.4  11.9  10.4   5.4
3-6 times in the past week  11.2  12.2  12.7   7.9   8.4  13.8  11.0  12.1  11.9   9.1  12.1  11.1  12.3  12.4   8.9
Daily  39.8  34.6  35.8  67.4  60.5  35.7  22.0  24.3  18.7  60.5  50.0  25.2  25.5  27.4  52.7
Total  100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
No. of admissions  1,809,272 395,260 322,194 277,488 185,362 98,864 43,716 330,451 109,603 17,766 3,607 1,800 5,752 1,182 16,227
Usual route of administration            
Oral  48.2  99.4  99.6   1.1  58.0      - -   6.5   2.2   6.1  92.3  90.4  58.2   4.4   6.0  44.2
Smoking  28.4   0.2   0.2   3.8   2.4 100.0      - -  96.8  62.7   1.1   2.5  21.0  93.3   6.6  19.8
Inhalation   8.9   0.1   0.1  24.9  22.2      - -  79.4   0.7   8.0   5.2   3.5   8.8   1.8  77.3  17.5
Injection  14.1   0.1      *  69.8  16.3      - -  11.1      *  22.4   1.1   2.6  10.3   0.2   7.9   6.1
Other   0.5   0.1   0.1   0.4   1.1      - -   3.0   0.2   0.7   0.3   0.9   1.6   0.3   2.1  12.5
Total  100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
No. of admissions  1,815,611 398,788 323,828 277,556 185,730 99,401 43,637 331,413 109,668 17,809 3,622 1,802 5,763 1,192 15,402
*  Less than 0.05 percent.
- -  Quantity is zero.
SOURCE: Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 10.15.12.

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