1998 National Household Survey on Drug Abuse:  Population Estimates

Crack - Region

Table 5E. Crack 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	0.4	(0.1	-	1.3)		0.2	(0.0	-	1.2)		*		*
18-25	1.6	(0.7	-	3.7)		0.5	(0.1	-	2.2)		0.3	(0.0	-	2.2)
26-34	3.1	(1.9	-	5.1)		1.0	(0.4	-	2.2)		0.6	(0.2	-	1.6)
$35	1.4	(0.8	-	2.6)		0.2	(0.0	-	0.7)		*		*
GENDER
Male	2.2	(1.3	-	3.7)		0.3	(0.1	-	0.8)		0.2	(0.1	-	0.7)
Female	1.1	(0.6	-	1.9)		0.3	(0.1	-	1.0)		0.1	(0.0	-	0.4)
TOTAL	1.6	(1.1	-	2.4)		0.3	(0.2	-	0.6)		0.1	(0.1	-	0.3)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	14	(4	-	51)		7	(1	-	49)		*		*
18-25	81	(36	-	182)		26	(6	-	107)		15	(2	-	108)
26-34	211	(128	-	346)		66	(29	-	148)		41	(15	-	107)
$35	383	(209	-	697)		40	(8	-	197)		*		*
GENDER
Male	445	(268	-	735)		62	(23	-	164)		38	(11	-	132)
Female	244	(140	-	423)		77	(25	-	233)		19	(4	-	91)
TOTAL	689	(471	-	1,006)		139	(75	-	256)		56	(21	-	147)

Table 5F. Crack 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	0.7	(0.3	-	1.9)		0.5	(0.1	-	1.5)		0.2	(0.1	-	0.9)
18-25	3.0	(1.9	-	4.8)		0.7	(0.3	-	1.6)		0.3	(0.1	-	1.5)
26-34	3.3	(2.2	-	5.2)		0.5	(0.2	-	1.3)		0.3	(0.1	-	1.1)
$35	0.9	(0.5	-	1.7)		0.1	(0.0	-	0.6)		*		*
GENDER
Male	1.8	(1.2	-	2.8)		0.3	(0.1	-	0.7)		0.2	(0.1	-	0.5)
Female	1.3	(0.9	-	2.0)		0.2	(0.1	-	0.6)		0.1	(0.0	-	0.4)
TOTAL	1.6	(1.2	-	2.1)		0.3	(0.1	-	0.5)		0.1	(0.1	-	0.3)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	40	(15	-	103)		25	(7	-	83)		12	(3	-	49)
18-25	200	(124	-	321)		44	(17	-	109)		23	(5	-	97)
26-34	262	(169	-	404)		37	(13	-	104)		25	(7	-	88)
$35	295	(160	-	543)		34	(6	-	199)		*		*
GENDER
Male	451	(297	-	682)		77	(33	-	183)		41	(13	-	135)
Female	346	(226	-	529)		62	(25	-	151)		30	(8	-	109)
TOTAL	797	(595	-	1,065)		139	(75	-	259)		71	(30	-	169)

* Low precision; no estimate reported.

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

Crack - Region

Table 5G. Crack 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	0.8	(0.3	-	1.9)		0.5	(0.2	-	1.5)		0.3	(0.1	-	1.4)
18-25	2.5	(1.5	-	4.0)		0.6	(0.3	-	1.1)		0.2	(0.0	-	0.6)
26-34	4.6	(3.1	-	6.9)		0.7	(0.3	-	1.5)		0.2	(0.0	-	0.5)
$35	1.7	(1.2	-	2.4)		0.4	(0.2	-	0.7)		0.2	(0.1	-	0.5)
GENDER
Male	3.1	(2.3	-	4.1)		0.7	(0.4	-	1.1)		0.3	(0.2	-	0.6)
Female	1.4	(1.0	-	1.9)		0.3	(0.2	-	0.5)		0.1	(0.1	-	0.3)
TOTAL	2.2	(1.7	-	2.8)		0.5	(0.3	-	0.7)		0.2	(0.1	-	0.4)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	64	(26	-	154)		42	(15	-	117)		27	(7	-	109)
18-25	248	(152	-	404)		58	(29	-	114)		16	(5	-	57)
26-34	564	(378	-	836)		83	(39	-	177)		19	(5	-	64)
$35	805	(564	-	1,148)		189	(102	-	349)		110	(50	-	245)
GENDER
Male	1,129	(838	-	1,517)		255	(153	-	425)		123	(66	-	229)
Female	553	(397	-	768)		116	(61	-	222)		50	(20	-	120)
TOTAL	1,682	(1,317	-	2,146)		372	(248	-	557)		173	(104	-	287)

Table 5H. Crack 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	1.0	(0.6	-	1.5)		0.6	(0.3	-	1.0)		0.3	(0.1	-	0.7)
18-25	3.6	(2.7	-	4.8)		1.5	(0.9	-	2.3)		0.6	(0.3	-	1.0)
26-34	3.7	(2.6	-	5.4)		0.8	(0.4	-	1.6)		0.3	(0.1	-	1.0)
$35	2.6	(1.8	-	3.8)		0.5	(0.3	-	0.9)		0.2	(0.1	-	0.6)
GENDER
Male	3.7	(2.7	-	5.1)		0.9	(0.6	-	1.3)		0.3	(0.1	-	0.5)
Female	1.8	(1.1	-	2.9)		0.5	(0.3	-	0.8)		0.3	(0.1	-	0.7)
TOTAL	2.7	(2.1	-	3.5)		0.7	(0.5	-	0.9)		0.3	(0.2	-	0.5)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	52	(34	-	81)		29	(16	-	53)		17	(8	-	36)
18-25	226	(169	-	301)		92	(59	-	143)		35	(19	-	66)
26-34	295	(205	-	422)		64	(32	-	129)		21	(5	-	78)
$35	735	(499	-	1,079)		136	(72	-	255)		64	(26	-	160)
GENDER
Male	871	(631	-	1,197)		206	(137	-	307)		61	(33	-	109)
Female	437	(277	-	688)		116	(66	-	204)		76	(35	-	167)
TOTAL	1,308	(1,015	-	1,682)		321	(231	-	446)		137	(82	-	228)

* 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.