Table 3.2a Admissions by primary substance of abuse, according to age at admission: TEDS 2007 Column percent distribution and average age at admission
[Based on administrative data reported to TEDS by all reporting States and jurisdictions. See Table 4.2a.]
Age at admission	All admis- sions	Primary substance at admission
		Alcohol		Opiates		Cocaine		Mari- juana/ hashish	Stimulants		Tran- quil- izers	Seda- tives	Hallu- cino- gens	PCP	Inhal- ants	Other/ none speci- fied
		Alcohol only	With secondary drug	Heroin	Other opiates	Smoked cocaine	Other route		Metham- phetamine/ amphet- amine	Other stimu- lants
Total	1,817,577	406,038	326,887	246,871	90,516	167,914	66,858	287,933	143,024	897	9,949	4,210	1,502	3,124	992	60,862
Age at admission
Under 15 years	1.3	0.5	0.7	*	0.2	0.1	0.3	4.8	0.3	5.4	0.7	1.7	2.7	0.2	19.8	5.4
15 to 19 years	10.1	4.5	8.1	2.7	5.2	1.6	6.9	35.7	6.1	19.2	8.3	12.2	34.2	4.1	30.2	10.8
15 to 17 years	6.1	2.1	4.4	0.4	1.5	0.4	3.1	25.5	2.8	13.5	4.4	7.5	23.1	1.7	23.6	6.8
18 to 19 years	4.0	2.4	3.6	2.3	3.7	1.2	3.8	10.3	3.4	5.7	3.9	4.7	11.1	2.4	6.6	4.1
20 to 24 years	14.2	9.8	12.8	14.5	21.8	6.4	14.4	21.9	18.3	12.5	14.9	16.2	21.5	21.1	12.5	13.1
25 to 29 years	14.4	10.5	13.2	16.1	22.4	10.3	18.1	14.9	21.5	15.3	15.8	16.0	17.2	30.3	10.6	14.2
30 to 34 years	11.1	9.6	10.8	12.2	14.1	12.0	14.2	8.1	16.3	9.9	11.9	10.6	10.1	17.9	7.1	10.8
35 to 39 years	12.5	12.2	13.8	13.9	11.2	18.8	14.8	5.6	14.8	9.9	12.0	9.9	5.6	10.6	5.2	11.2
40 to 44 years	13.4	15.5	16.2	14.7	9.0	21.9	13.8	4.1	11.7	9.5	12.3	9.6	3.3	8.3	5.8	10.9
45 to 49 years	11.5	16.0	13.6	12.3	7.9	17.1	10.3	2.8	7.3	10.0	11.3	9.3	3.3	5.2	5.3	9.9
50 to 54 years	6.7	10.9	7.1	8.4	5.1	8.0	4.8	1.3	2.7	4.4	7.2	6.4	1.0	1.9	2.0	6.8
55 to 59 years	3.0	5.9	2.6	3.8	2.2	2.7	1.6	0.5	0.8	2.6	3.6	3.1	1.0	0.3	1.4	3.8
60 to 64 years	1.1	2.7	0.8	1.1	0.7	0.7	0.5	0.1	0.2	0.7	1.4	1.7	0.2	0.2	0.2	1.9
65 years and over	0.6	1.9	0.3	0.4	0.3	0.3	0.2	*	*	0.7	0.6	3.5	- -	0.1	- -	1.2
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	100.0
No. of admissions	1,815,004	405,650	326,538	246,670	90,406	167,740	66,700	287,379	142,832	896	9,935	4,197	1,496	3,113	990	60,462
Average age at admission	34 yrs	39 yrs	35 yrs	36 yrs	32 yrs	39 yrs	34 yrs	24 yrs	32 yrs	31 yrs	35 yrs	34 yrs	25 yrs	30 yrs	24 yrs	34 yrs
*  Less than 0.05 percent.
- -  Quantity is zero.
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 10.6.08.