Table 2.5
Admissions aged 12 and older by age at first use and number of prior treatment episodes, according to primary substance of abuse: TEDS 2008
Percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions.]
Age at first use and number of prior treatment episodes All admis-
sions
Primary substance at admission
Alcohol Opiates Cocaine Mari-
juana/
hashish
Metham-
phetamine/
amphet-
amine
Tran-
quil-
izers
Seda-
tives
Hallu-
cino-
gens
PCP Inhal-
ants
Other/
none
speci-
fied
Alcohol
only
Secon-
dary
drug
Heroin Other
opiates
Smoked
cocaine
Other
route
Age at first use            
12 years or under  13.9  15.2  23.9   2.6   4.2   2.3   3.6  24.5   6.0   4.9   6.3   9.3   5.1  20.2  25.4
13 to 14 years  16.7  16.6  24.1   6.1   5.2   4.2   7.1  31.8  12.1   7.9   7.8  17.7  13.6  23.4  10.2
15 to 16 years  21.0  27.0  26.7  12.8  11.6   9.3  15.0  25.2  18.0  15.1  14.5  25.5  19.1  20.6  14.1
17 to 18 years  16.6  21.7  14.9  18.8  15.6  13.7  19.0  11.3  16.6  12.2  12.5  20.2  20.9  10.8  11.2
19 to 20 years   8.2   7.7   4.3  14.4  11.7  11.5  13.1   3.2  10.2   9.3   8.6   8.1  12.2   5.9   7.3
21 to 25 years  11.7   8.4   4.2  21.9  20.8  24.2  21.5   2.7  16.3  15.4  15.1  11.1  17.7   7.9  12.8
26 to 30 years   5.6   1.7   1.0  11.7  12.2  16.0  10.5   0.7   9.3  11.3  10.5   4.4   7.0   3.0   6.4
Over 30 years   6.4   1.7   0.8  11.8  18.7  19.0  10.2   0.5  11.4  23.9  24.5   3.8   4.4   8.2  12.6
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  1,842,861 434,054 345,777 266,341 110,347 152,420 60,529 320,476 121,052 11,144 4,370 1,696 3,777 1,214  9,664
No. of prior treatment episodes            
None  43.4  50.8  38.3  22.2  41.8  31.4  43.1  57.4  46.2  38.2  58.1  48.1  38.9  56.5  67.4
1  21.0  20.0  21.3  19.4  23.4  20.7  22.7  22.3  24.7  20.6  19.5  22.8  22.4  19.0  11.5
2  12.6  10.7  13.7  14.1  14.5  14.5  13.3  10.6  13.6  14.7   9.4  12.4  15.7   8.4  11.5
3   6.9   5.5   8.0  10.6   7.0   9.8   7.6   4.1   6.6   7.5   4.3   6.3   7.8   5.2   2.4
4   4.0   3.1   4.7   6.7   4.0   6.1   4.1   1.9   3.4   4.5   2.4   3.0   4.4   2.8   1.2
5 or more  12.1  10.0  14.0  27.0   9.2  17.6   9.2   3.8   5.5  14.6   6.3   7.4  10.7   8.1   6.0
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  1,716,731 388,464 301,142 238,088 103,834 142,326 57,251 309,837 117,226  9,369 4,201 1,639 3,774 1,192 38,388
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 8.31.09.

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