Table 2.1a. Admissions aged 12 and older, by gender and age at admission according to primary substance of abuse: 2009 Column percent distribution and average age at admission
[Based on administrative data reported to TEDS by all reporting States and jurisdictions.]
Gender and age at admission	All admis- sions	Primary substance of abuse 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	1,963,089	460,772	358,340	282,212	138,639	131,886	52,046	354,159	115,182	14,427	5,030	1,777	4,404	1,519	42,696
Gender
Male	68.1	73.3	73.2	67.5	53.5	56.8	65.9	73.8	53.7	51.2	41.6	71.0	61.0	61.8	60.7
Female	31.9	26.7	26.8	32.5	46.5	43.2	34.1	26.2	46.3	48.8	58.4	29.0	39.0	38.2	39.3
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	1,962,720	460,700	358,290	282,167	138,624	131,877	52,038	354,105	115,152	14,424	5,030	1,777	4,403	1,519	42,614
Age at admission
12 to 14 years	1.2	0.5	0.6	*	0.2	*	0.2	4.7	0.2	0.6	1.1	2.6	0.2	12.9	4.0
15 to 17 years	6.4	1.8	3.9	0.5	1.9	0.3	1.7	25.5	2.2	4.7	5.8	21.1	1.1	20.1	8.1
18 to 19 years	4.2	2.2	3.4	3.0	4.4	0.7	2.6	10.3	2.7	4.7	4.4	11.4	2.7	7.2	4.8
20 to 24 years	14.9	9.7	12.9	17.5	22.9	5.1	12.0	21.8	15.7	17.1	17.0	22.8	18.0	13.1	15.8
25 to 29 years	15.2	11.2	13.9	18.2	24.8	9.3	16.9	14.9	21.8	19.0	19.7	16.5	30.9	11.3	15.6
30 to 34 years	11.7	10.2	11.6	12.7	15.3	11.0	15.7	8.8	18.0	13.5	12.9	10.5	20.5	8.4	11.4
35 to 39 years	10.8	11.3	11.9	11.6	9.9	16.0	14.4	5.5	14.6	10.5	9.5	5.9	10.2	8.9	10.0
40 to 44 years	11.6	13.8	14.2	12.4	7.3	21.5	14.4	3.8	11.7	9.3	8.6	2.6	7.3	5.6	9.2
45 to 49 years	11.3	16.2	14.2	10.9	6.2	19.7	12.2	2.7	8.2	9.1	7.3	3.6	5.7	6.6	9.1
50 to 54 years	7.3	11.8	8.5	7.6	4.2	10.9	6.7	1.4	3.5	6.6	6.2	2.0	2.8	3.6	6.1
55 to 59 years	3.4	6.4	3.4	4.0	2.1	3.8	2.4	0.5	1.1	3.3	3.6	0.5	0.6	2.0	3.3
60 to 64 years	1.3	2.9	1.1	1.2	0.7	1.1	0.7	0.2	0.2	1.1	1.3	0.3	*	0.3	1.5
65 years and over	0.7	1.9	0.3	0.4	0.3	0.4	0.3	0.1	0.1	0.6	2.6	0.1	*	0.1	1.3
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	1,963,089	460,772	358,340	282,212	138,639	131,886	52,046	354,159	115,182	14,427	5,030	1,777	4,404	1,519	42,696
Average age at admission	34 yrs	40 yrs	36 yrs	35 yrs	31 yrs	40 yrs	36 yrs	24 yrs	33 yrs	33 yrs	34 yrs	25 yrs	31 yrs	27 yrs	33 yrs
*  Less than 0.05 percent.
SOURCE: Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 11.03.10.