Table 2.1a. Admissions aged 12 and older, by gender and age at admission according to primary substance of abuse: 2010 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	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	1,820,737	411,388	332,699	256,256	157,171	104,564	43,587	335,833	112,473	15,707	4,117	1,675	4,501	1,449	39,317
Gender
Male	67.6	72.5	72.6	66.9	53.9	57.4	67.8	73.5	53.1	51.1	45.1	72.2	60.2	60.7	63.1
Female	32.4	27.5	27.4	33.1	46.1	42.6	32.2	26.5	46.9	48.9	54.9	27.8	39.8	39.3	36.9
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	1,820,131	411,324	332,644	256,214	157,147	104,550	43,582	335,782	112,447	15,706	4,117	1,674	4,499	1,449	38,996
Age at admission
12 to 14 years	1.2	0.4	0.5	*	0.2	*	0.1	4.6	0.3	0.6	1.0	1.9	*	11.5	4.4
15 to 17 years	6.1	1.5	3.5	0.5	1.6	0.3	1.8	24.3	2.4	3.9	5.0	16.1	0.8	16.8	7.6
18 to 19 years	4.1	1.9	3.2	2.9	4.5	0.6	2.3	9.9	2.7	4.6	3.8	11.3	2.2	7.7	5.0
20 to 24 years	15.3	9.3	12.7	18.8	23.9	4.6	11.2	21.9	15.1	17.3	15.9	24.6	18.0	13.8	17.1
25 to 29 years	15.6	11.0	13.9	19.3	25.3	8.7	16.3	15.1	21.6	19.0	17.9	16.8	28.6	11.4	15.2
30 to 34 years	12.3	10.5	12.2	13.5	16.0	11.2	15.9	9.5	18.7	15.1	13.9	11.9	24.0	12.5	11.7
35 to 39 years	10.3	11.1	11.3	10.5	9.4	14.5	13.6	5.6	14.2	10.0	10.8	5.9	10.7	6.1	9.3
40 to 44 years	11.0	13.5	13.7	11.2	6.6	20.8	14.6	3.9	11.6	9.0	8.1	4.7	6.7	5.8	9.5
45 to 49 years	11.0	16.1	14.3	10.3	5.5	20.6	12.8	2.8	8.0	8.3	8.5	3.0	5.8	7.7	8.8
50 to 54 years	7.5	12.4	9.2	7.2	4.0	12.4	7.6	1.5	3.8	6.3	5.9	1.7	2.6	4.2	6.0
55 to 59 years	3.7	7.1	3.9	3.9	2.0	4.6	2.7	0.6	1.2	3.8	4.2	1.8	0.5	1.9	3.2
60 to 64 years	1.4	3.2	1.2	1.3	0.7	1.3	0.7	0.2	0.3	1.4	2.1	0.2	0.1	0.6	1.3
65 years and over	0.7	2.1	0.4	0.4	0.3	0.4	0.3	0.1	0.1	0.6	3.0	0.1	*	- -	0.8
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	1,820,737	411,388	332,699	256,256	157,171	104,564	43,587	335,833	112,473	15,707	4,117	1,675	4,501	1,449	39,317
Average age at admission	34 yrs	40 yrs	36 yrs	35 yrs	31 yrs	41 yrs	36 yrs	25 yrs	33 yrs	33 yrs	35 yrs	26 yrs	31 yrs	28 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 10.10.11.