Table 2.1a. Admissions aged 12 and older, by gender and age at admission according to primary substance of abuse: 2011 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 at admission
		Alcohol		Opiates		Cocaine		Mari- juana/ hashish	Meth- amphet- amine/ 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	1,844,719	400,012	324,370	278,481	186,986	99,401	44,426	333,578	110,471	17,875	3,657	1,818	5,784	1,203	36,657
Gender
Male	66.9	71.8	72.2	66.5	53.4	57.5	66.9	73.4	52.5	51.0	43.7	71.6	59.7	59.8	61.3
Female	33.1	28.2	27.8	33.5	46.6	42.5	33.1	26.6	47.5	49.0	56.3	28.4	40.3	40.2	38.7
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	1,842,490	399,960	324,332	278,436	186,955	99,385	44,412	333,510	110,429	17,872	3,656	1,818	5,782	1,203	34,740
Age at admission
12 to 14 years	1.2	0.4	0.5	*	0.1	*	0.2	5.1	0.2	0.4	1.0	2.5	0.1	11.4	4.9
15 to 17 years	6.2	1.4	3.1	0.5	1.5	0.3	1.7	26.0	2.4	3.7	4.2	16.3	0.8	20.3	9.6
18 to 19 years	3.8	1.7	2.8	2.7	3.8	0.5	2.1	9.4	2.6	4.7	3.4	10.6	1.9	6.3	4.8
20 to 24 years	15.0	8.5	11.9	18.9	23.5	4.3	11.3	21.0	14.7	17.0	15.2	22.8	16.3	12.2	15.9
25 to 29 years	15.6	10.6	13.6	19.9	25.5	8.3	16.1	14.5	21.1	18.9	15.3	17.5	27.6	10.1	15.1
30 to 34 years	12.9	10.8	12.7	14.5	17.5	10.9	16.0	9.5	19.6	16.6	14.6	12.2	24.6	13.1	12.6
35 to 39 years	9.7	10.5	10.8	9.8	9.3	12.7	13.2	5.3	13.6	8.9	9.7	5.4	12.8	7.8	8.8
40 to 44 years	10.6	13.4	13.4	10.7	6.6	19.9	14.0	3.8	11.5	8.7	8.9	5.8	7.6	5.7	8.7
45 to 49 years	10.7	15.6	14.5	9.8	5.3	21.6	12.7	2.8	8.2	8.6	8.7	3.1	5.2	6.5	7.9
50 to 54 years	7.9	13.5	10.4	7.1	3.9	14.1	8.1	1.7	4.3	6.4	7.1	1.9	2.4	3.8	5.9
55 to 59 years	4.0	7.8	4.5	4.1	2.1	5.3	3.4	0.7	1.4	3.9	4.8	1.3	0.6	2.3	3.4
60 to 64 years	1.6	3.6	1.5	1.5	0.7	1.6	1.0	0.2	0.3	1.4	2.3	0.7	0.1	0.4	1.5
65 years and over	0.7	2.1	0.4	0.4	0.3	0.5	0.4	0.1	0.1	0.7	4.5	- -	*	- -	0.9
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	1,844,719	400,012	324,370	278,481	186,986	99,401	44,426	333,578	110,471	17,875	3,657	1,818	5,784	1,203	36,657
Average age at admission	34 yrs	41 yrs	37 yrs	35 yrs	31 yrs	42 yrs	36 yrs	24 yrs	33 yrs	34 yrs	36 yrs	26 yrs	31 yrs	27 yrs	32 yrs
*  Less than 0.05 percent.
- -  Quantity is zero.
SOURCE: Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 10.15.12.