Table 2.9. Admissions aged 18 and older, by education according to primary substance of abuse: 2009 Percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions.]
Education	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 admissions aged 18 and older	1,813,812	450,195	342,230	280,708	135,793	131,433	51,072	247,426	112,359	13,660	4,684	1,355	4,348	1018	37,531
Highest school grade completed
0 to 8	8.9	8.6	7.8	12.6	8.0	9.3	10.5	7.8	5.8	9.6	6.2	9.8	11.1	8.2	7.4
9 to 11	24.3	16.2	24.6	24.5	19.8	28.3	25.4	35.3	31.0	20.7	21.2	26.9	41.0	19.4	22.8
12 (or GED)	42.9	42.7	43.4	43.8	43.5	41.0	41.1	41.6	45.8	40.9	40.2	43.7	37.0	42.6	41.4
More than 12	24.0	32.5	24.2	19.1	28.7	21.3	23.0	15.2	17.3	28.9	32.4	19.6	11.0	29.8	28.3
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
Admissions aged 18 and older	1,764,628	436,166	335,612	276,021	131,261	128,008	49,126	239,844	110,034	13,104	4,574	1,329	4,307	992	34,250
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.