1998 National Household Survey on Drug Abuse:  Population Estimates

Cocaine - Region

Table 4E. Cocaine Use by Age Group and Gender for Northeast Region in 1998

AGE/ /GENDER	Ever Used					Used Past Year					Used Past Month
	Observed Estimate	95% C.I.				Observed Estimate	95% C.I.				Observed Estimate	95% C.I.
RATE ESTIMATES (Percent)
AGE
12-17	1.2	(0.6	-	2.7)		0.6	(0.2	-	1.7)		0.2	(0.0	-	1.1)
18-25	7.1	(4.7	-	10.6)		3.3	(1.8	-	6.0)		1.8	(0.7	-	4.5)
26-34	22.1	(18.3	-	26.5)		2.5	(1.2	-	4.9)		1.9	(0.9	-	3.8)
$35	11.7	(8.6	-	15.8)		0.4	(0.2	-	1.1)		*		*
GENDER
Male	15.4	(12.2	-	19.3)		1.2	(0.7	-	2.1)		0.8	(0.4	-	1.8)
Female	8.6	(6.9	-	10.7)		1.0	(0.6	-	1.7)		0.3	(0.1	-	0.7)
TOTAL	11.8	(9.8	-	14.2)		1.1	(0.7	-	1.6)		0.6	(0.3	-	1.0)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	51	(23	-	109)		25	(9	-	68)		6	(1	-	44)
18-25	351	(232	-	525)		163	(89	-	297)		89	(35	-	221)
26-34	1,491	(1,234	-	1,785)		167	(83	-	333)		127	(63	-	255)
$35	3,126	(2,296	-	4,203)		107	(40	-	283)		*		*
GENDER
Male	3,100	(2,446	-	3,891)		246	(140	-	432)		166	(77	-	357)
Female	1,919	(1,541	-	2,378)		216	(125	-	372)		67	(29	-	155)
TOTAL	5,019	(4,167	-	6,017)		462	(310	-	690)		234	(129	-	424)

Table 4F. Cocaine Use by Age Group and Gender for North Central Region in 1998

AGE/ /GENDER	Ever Used					Used Past Year					Used Past Month
	Observed Estimate	95% C.I.				Observed Estimate	95% C.I.				Observed Estimate	95% C.I.
RATE ESTIMATES (Percent)
AGE
12-17	1.5	(0.8	-	2.7)		1.2	(0.6	-	2.4)		0.4	(0.1	-	1.2)
18-25	12.0	(9.4	-	15.1)		5.4	(3.7	-	8.0)		2.3	(1.3	-	4.0)
26-34	14.8	(11.9	-	18.2)		2.9	(1.8	-	4.6)		0.9	(0.4	-	2.0)
$35	9.1	(7.0	-	11.8)		0.5	(0.2	-	1.2)		0.2	(0.1	-	0.8)
GENDER
Male	12.0	(9.8	-	14.7)		2.2	(1.5	-	3.2)		0.7	(0.4	-	1.3)
Female	7.3	(5.7	-	9.2)		1.0	(0.6	-	1.6)		0.5	(0.3	-	1.0)
TOTAL	9.6	(8.1	-	11.2)		1.6	(1.2	-	2.1)		0.6	(0.4	-	1.0)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	82	(45	-	148)		66	(33	-	130)		23	(8	-	63)
18-25	795	(625	-	1,004)		361	(245	-	528)		151	(84	-	268)
26-34	1,158	(932	-	1,426)		225	(139	-	364)		72	(33	-	154)
$35	2,858	(2,200	-	3,688)		157	(68	-	364)		64	(17	-	239)
GENDER
Male	2,957	(2,398	-	3,625)		538	(367	-	785)		169	(90	-	317)
Female	1,936	(1,523	-	2,451)		272	(173	-	428)		140	(77	-	253)
TOTAL	4,893	(4,166	-	5,733)		810	(605	-	1,082)		309	(191	-	499)

* Low precision; no estimate reported.

Source: Office of Applied Studies, SAMHSA, National Household Survey on Drug Abuse, 1998

Cocaine - Region

Table 4G. Cocaine Use by Age Group and Gender for South Region in 1998

AGE/ /GENDER	Ever Used					Used Past Year					Used Past Month
	Observed Estimate	95% C.I.				Observed Estimate	95% C.I.				Observed Estimate	95% C.I.
RATE ESTIMATES (Percent)
AGE
12-17	2.5	(1.7	-	3.7)		2.1	(1.2	-	3.5)		1.1	(0.5	-	2.3)
18-25	7.7	(6.0	-	9.9)		3.7	(2.6	-	5.2)		1.7	(0.9	-	3.1)
26-34	14.0	(11.2	-	17.4)		2.6	(1.6	-	4.1)		1.1	(0.6	-	2.3)
$35	7.4	(6.1	-	9.0)		1.0	(0.6	-	1.7)		0.7	(0.4	-	1.4)
GENDER
Male	10.2	(8.7	-	12.0)		2.4	(1.8	-	3.3)		1.4	(0.9	-	2.3)
Female	6.0	(4.7	-	7.4)		1.1	(0.7	-	1.5)		0.5	(0.3	-	0.9)
TOTAL	8.0	(6.9	-	9.3)		1.7	(1.4	-	2.2)		1.0	(0.7	-	1.4)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	202	(136	-	299)		165	(98	-	278)		89	(44	-	182)
18-25	778	(603	-	999)		369	(257	-	526)		170	(93	-	307)
26-34	1,700	(1,357	-	2,112)		318	(200	-	502)		137	(67	-	277)
$35	3,498	(2,885	-	4,228)		477	(286	-	792)		351	(188	-	653)
GENDER
Male	3,777	(3,205	-	4,437)		902	(656	-	1,238)		526	(331	-	835)
Female	2,401	(1,916	-	3,000)		426	(290	-	624)		221	(135	-	359)
TOTAL	6,178	(5,312	-	7,171)		1,329	(1,047	-	1,684)		747	(525	-	1,061)

Table 4H. Cocaine Use by Age Group and Gender for West Region in 1998

AGE/ /GENDER	Ever Used					Used Past Year					Used Past Month
	Observed Estimate	95% C.I.				Observed Estimate	95% C.I.				Observed Estimate	95% C.I.
RATE ESTIMATES (Percent)
AGE
12-17	3.1	(2.1	-	4.5)		2.3	(1.5	-	3.6)		1.3	(0.7	-	2.3)
18-25	13.9	(11.9	-	16.1)		6.5	(5.1	-	8.2)		2.2	(1.5	-	3.2)
26-34	19.7	(16.9	-	23.0)		2.9	(1.8	-	4.7)		0.9	(0.4	-	1.7)
$35	15.6	(13.5	-	18.0)		1.6	(1.0	-	2.4)		0.7	(0.4	-	1.1)
GENDER
Male	16.9	(14.5	-	19.6)		3.0	(2.4	-	3.8)		1.1	(0.8	-	1.6)
Female	12.6	(10.7	-	14.6)		2.1	(1.5	-	2.8)		0.8	(0.5	-	1.3)
TOTAL	14.7	(13.1	-	16.5)		2.5	(2.1	-	3.1)		1.0	(0.7	-	1.3)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	162	(111	-	237)		122	(79	-	187)		67	(38	-	119)
18-25	880	(756	-	1,021)		412	(326	-	520)		139	(93	-	205)
26-34	1,558	(1,332	-	1,812)		232	(143	-	373)		68	(35	-	134)
$35	4,398	(3,797	-	5,076)		444	(291	-	675)		185	(109	-	316)
GENDER
Male	3,973	(3,405	-	4,614)		712	(560	-	905)		270	(192	-	379)
Female	3,026	(2,590	-	3,523)		498	(360	-	685)		190	(117	-	306)
TOTAL	6,999	(6,228	-	7,848)		1,210	(998	-	1,465)		460	(344	-	614)

* Low precision; no estimate reported.

Source: Office of Applied Studies, SAMHSA, National Household Survey on Drug Abuse, 1998