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

This page was last updated on June 03, 2008.

SAMHSA, an agency in the Department of Health and Human Services, is the Federal Government's lead agency for improving the quality and availability of substance abuse prevention, addiction treatment, and mental health services in the United States.