1998 National Household Survey on Drug Abuse:  Population Estimates

Tranquilizer - Region

Table 11E. Tranquilizer 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	1.7	(1.0	-	3.2)		0.8	(0.3	-	2.0)		0.4	(0.1	-	1.6)
18-25	3.7	(2.2	-	6.1)		1.8	(0.8	-	4.1)		0.4	(0.1	-	1.2)
26-34	5.6	(3.6	-	8.6)		1.3	(0.6	-	2.9)		0.7	(0.3	-	1.8)
$35	4.2	(2.3	-	7.4)		0.3	(0.1	-	1.1)		*		*
GENDER
Male	6.0	(4.0	-	8.9)		0.9	(0.5	-	1.6)		0.3	(0.1	-	0.8)
Female	2.4	(1.6	-	3.5)		0.5	(0.2	-	1.4)		0.1	(0.0	-	0.8)
TOTAL	4.1	(2.8	-	6.0)		0.7	(0.4	-	1.2)		0.2	(0.1	-	0.4)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	71	(39	-	128)		33	(13	-	83)		16	(4	-	66)
18-25	183	(111	-	299)		91	(41	-	201)		18	(5	-	59)
26-34	378	(245	-	576)		88	(40	-	192)		50	(21	-	120)
$35	1,115	(623	-	1,967)		83	(24	-	280)		*		*
GENDER
Male	1,214	(812	-	1,797)		179	(98	-	324)		53	(18	-	153)
Female	533	(360	-	786)		116	(44	-	302)		31	(6	-	170)
TOTAL	1,747	(1,199	-	2,529)		295	(172	-	502)		84	(38	-	185)

Table 11F. Tranquilizer 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	1.1	(0.5	-	2.2)		0.8	(0.3	-	2.0)		*		*
18-25	4.3	(2.8	-	6.7)		2.8	(1.6	-	4.8)		1.3	(0.5	-	3.1)
26-34	2.9	(1.8	-	4.7)		0.7	(0.2	-	1.8)		0.3	(0.1	-	1.3)
$35	1.7	(1.0	-	3.0)		0.1	(0.0	-	0.7)		*		*
GENDER
Male	2.4	(1.6	-	3.8)		0.8	(0.4	-	1.3)		0.3	(0.1	-	1.0)
Female	1.9	(1.3	-	2.9)		0.5	(0.3	-	0.9)		0.1	(0.0	-	0.4)
TOTAL	2.2	(1.5	-	3.1)		0.6	(0.4	-	0.9)		0.2	(0.1	-	0.5)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	59	(28	-	122)		41	(15	-	107)		*		*
18-25	286	(184	-	442)		185	(106	-	320)		86	(35	-	205)
26-34	228	(141	-	367)		51	(18	-	142)		24	(5	-	104)
$35	545	(318	-	927)		44	(9	-	209)		*		*
GENDER
Male	600	(386	-	929)		187	(105	-	332)		73	(22	-	240)
Female	517	(343	-	778)		135	(74	-	247)		36	(11	-	117)
TOTAL	1,118	(789	-	1,580)		322	(214	-	483)		109	(44	-	272)

* Low precision; no estimate reported.

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

Tranquilizer - Region

Table 11G. Tranquilizer 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)		1.7	(1.1	-	2.6)		0.4	(0.2	-	0.9)
18-25	6.9	(5.1	-	9.3)		3.5	(2.2	-	5.5)		1.6	(0.9	-	2.9)
26-34	5.0	(3.6	-	7.0)		1.0	(0.5	-	2.1)		0.5	(0.2	-	1.2)
$35	3.1	(2.3	-	4.2)		0.6	(0.3	-	1.2)		*		*
GENDER
Male	5.0	(3.9	-	6.3)		1.5	(0.9	-	2.4)		0.5	(0.2	-	0.9)
Female	2.8	(2.2	-	3.6)		0.8	(0.6	-	1.2)		0.2	(0.1	-	0.4)
TOTAL	3.8	(3.2	-	4.6)		1.1	(0.8	-	1.6)		0.3	(0.2	-	0.6)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	203	(137	-	298)		134	(85	-	211)		33	(15	-	72)
18-25	696	(512	-	938)		354	(226	-	551)		160	(86	-	294)
26-34	610	(436	-	849)		126	(63	-	253)		56	(21	-	145)
$35	1,464	(1,086	-	1,969)		265	(123	-	567)		*		*
GENDER
Male	1,845	(1,454	-	2,335)		541	(332	-	877)		170	(82	-	351)
Female	1,128	(879	-	1,445)		338	(232	-	494)		82	(44	-	152)
TOTAL	2,973	(2,473	-	3,569)		879	(620	-	1,246)		252	(148	-	428)

Table 11H. Tranquilizer 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	1.2	(0.7	-	2.0)		0.8	(0.3	-	1.7)		0.2	(0.1	-	0.5)
18-25	4.1	(2.9	-	5.6)		1.8	(0.9	-	3.6)		0.3	(0.1	-	0.8)
26-34	5.0	(3.6	-	6.9)		1.4	(0.7	-	2.7)		0.6	(0.2	-	1.7)
$35	4.2	(3.2	-	5.4)		0.6	(0.3	-	1.2)		0.5	(0.2	-	1.1)
GENDER
Male	3.8	(2.9	-	5.0)		1.1	(0.6	-	2.1)		0.4	(0.1	-	1.1)
Female	4.1	(3.2	-	5.2)		0.8	(0.4	-	1.3)		0.5	(0.3	-	1.0)
TOTAL	4.0	(3.3	-	4.8)		0.9	(0.6	-	1.4)		0.4	(0.2	-	0.8)

POPULATION ESTIMATES (In Thousands)

AGE
12-17	61	(36	-	105)		39	(18	-	87)		11	(5	-	28)
18-25	257	(184	-	357)		117	(59	-	230)		18	(6	-	52)
26-34	391	(281	-	541)		109	(54	-	216)		47	(16	-	134)
$35	1,179	(902	-	1,536)		179	(92	-	346)		133	(59	-	297)
GENDER
Male	894	(671	-	1,187)		264	(143	-	484)		89	(30	-	265)
Female	995	(781	-	1,264)		181	(108	-	303)		120	(60	-	238)
TOTAL	1,888	(1,568	-	2,272)		444	(286	-	689)		209	(118	-	371)

* Low precision; no estimate reported.

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