Table 3.4
Admissions by primary substance of abuse, according to frequency of use, usual route of administration, and age at first use: TEDS 2007
Percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions. See Table 4.2a.]
Frequency of use, usual route of administration, and age at first use No. of
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
Frequency of use                
No use in the past month 28.9 26.4 27.5 16.1 19.4 27.8 37.9 37.2 47.3 25.6 20.7 26.6 50.3 42.6 33.9 36.1
1-3 times in the past month 12.6 16.1 12.7 3.5 5.0 11.3 15.7 16.4 15.5 10.9 7.8 9.9 11.7 18.1 19.9 9.8
1-2 times per week 9.2 12.9 10.0 2.6 3.6 9.3 10.6 10.4 9.7 6.4 4.7 6.6 8.8 10.2 10.6 7.0
3-6 times per week 11.9 13.1 13.2 6.7 9.5 15.5 13.1 12.1 11.4 10.6 9.0 14.0 10.3 10.6 13.2 9.4
Daily 37.4 31.5 36.6 71.1 62.5 36.1 22.7 23.9 16.2 46.5 57.7 43.0 18.9 18.4 22.4 37.6
Total 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
No. of admissions 1,751,097 401,391 325,109 246,221 89,975 166,953 66,146 286,080 142,330 879 9,876 4,150 1,475 3,110 984 6,418
Usual route of administration                
Oral 46.7 99.5 99.6 1.3 71.6 - - 5.3 2.4 4.4 54.5 94.2 90.6 66.5 6.0 9.1 57.7
Smoking 31.9 0.3 0.3 2.3 1.7 100.0 - - 96.6 66.4 35.4 2.1 2.8 19.9 91.4 7.4 14.6
Injection 11.6 0.1 0.1 64.0 10.1 - - 11.3 0.1 18.4 3.5 0.7 3.0 7.6 0.7 1.5 4.3
Inhalation 9.5 0.1 0.1 32.0 15.9 - - 80.7 0.8 9.9 5.5 2.7 3.0 4.2 1.7 80.9 6.9
Other 0.4 0.1 * 0.4 0.8 - - 2.7 0.2 0.8 1.1 0.3 0.6 1.8 0.2 1.1 16.5
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 1,736,882 391,302 320,588 245,696 89,964 167,914 65,733 286,883 142,214 891 9,888 4,156 1,489 3,102 989 6,073
Age at first use                
12 years or under 13.2 14.2 23.5 2.9 2.7 2.5 3.4 25.1 5.8 21.3 4.1 4.9 10.8 5.6 20.8 16.2
13 to 14 years 16.4 16.7 24.5 6.5 4.9 4.4 7.3 30.7 12.3 10.5 7.4 10.2 20.4 11.8 29.2 12.0
15 to 16 years 20.9 27.5 26.5 13.0 11.1 9.4 15.4 25.4 17.6 23.5 12.9 15.2 24.7 21.8 19.7 15.8
17 to 18 years 16.6 22.0 15.0 18.6 14.1 13.5 19.2 11.3 17.0 12.9 12.1 11.9 18.0 21.0 9.6 12.2
19 to 20 years 8.3 7.8 4.4 14.0 12.0 11.3 13.0 3.3 10.5 6.2 8.9 7.9 8.2 11.6 6.5 6.5
21 to 25 years 11.8 8.4 4.1 21.4 21.1 23.6 20.9 2.8 16.4 10.4 15.5 15.8 10.2 17.2 4.8 14.7
26 to 30 years 5.8 1.7 1.0 11.4 12.8 15.9 10.4 0.8 9.1 6.5 12.2 8.9 4.8 7.2 1.7 6.9
Over 30 years 6.9 1.7 0.9 12.1 21.4 19.3 10.2 0.6 11.2 8.7 26.9 25.2 2.9 3.9 7.7 15.8
Total 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
No. of admissions 1,749,201 399,991 325,192 245,772 89,602 167,274 66,254 286,194 142,184 865 9,850 4,163 1,495 3,108 980 6,277
* 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.

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