Table 3.3
Admissions by primary substance of abuse, according to frequency of use, route of administration, age at first use, and prior treatment: TEDS 2001
Percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions. See Table 4.2.]
Frequency of use, route of administration, age at first use, and prior treatment 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  1,739,796 421,209 348,591 275,672 36,347 163,988 61,387 255,394 98,332 1,395 7,074 3,737 3,121 3,116 1,234 59,199
Frequency of use                
No use in the past month   23.9   24.9   24.7    9.5   15.1   22.4   30.5   32.1   33.2   27.9   16.5   23.3   43.9   33.7   29.6   42.0
1-3 times in the past month   10.9   13.7   11.3    2.2    4.4    9.9   15.0   15.8   11.2   10.6    7.0    8.2   13.2   14.6   15.7    7.2
1-2 times per week    8.8   11.1   10.1    1.8    3.0    9.8   11.4   10.5    8.2    9.6    4.6    5.6   11.0   11.4   10.8    6.8
3-6 times per week   10.7   10.9   11.7    4.7    7.9   15.4   13.4   12.1   11.4   15.2    8.0   11.1   11.4   11.4   14.6    8.0
Daily   45.7   39.4   42.3   81.8   69.7   42.6   29.7   29.5   36.0   36.7   63.9   51.8   20.5   28.9   29.4   35.9
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  100.0
No. of admissions  1,603,411 396,350 330,650 254,073 34,783 160,349 52,714 246,736 96,437 1,246 6,825 3,526 2,915 2,802 1,181 12,824
Route of administration                
Oral   49.5   99.0   98.8    2.0   75.6  - -   11.8    2.9    9.5   41.3   94.5   90.1   82.9    7.8    4.3   50.9
Smoking   28.5    0.4    0.5    2.5    3.0  100.0  - -   95.8   45.2   43.8    2.4    2.7    8.9   86.7    2.6   21.3
Inhalation    9.1    0.1    0.2   33.1    7.3  - -   70.5    0.8   18.5    7.8    1.5    2.5    3.8    3.8   90.2    2.7
Injection   12.1    0.2    0.2   61.5   13.2  - -   13.9    0.2   25.5    3.5    1.1    4.0    2.8    1.3    1.2    4.1
Other    0.7    0.3    0.3    0.9    0.9  - -    3.8    0.4    1.2    3.7    0.6    0.8    1.6    0.4    1.8   21.1
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  1,625,303 405,275 334,360 257,347 35,078 163,988 52,648 249,785 96,158 1,353 6,879 3,577 2,924 2,914 1,214 11,803
Age at first use                
12 years or under   15.2   15.5   24.8    3.2    3.8    3.7    4.3   25.7    5.9   16.3    5.6    6.0   10.2    7.4   26.6   37.5
13 to 14 years   16.7   16.1   24.1    6.8    4.5    5.0    7.0   30.5   11.3   14.5    7.2    7.4   20.5   16.0   28.4    9.2
15 to 16 years   21.2   26.7   26.9   12.8    8.5    9.6   14.0   24.5   17.8   18.0   10.9   11.1   26.2   24.0   17.9   13.5
17 to 18 years   15.8   21.4   13.5   16.9   10.1   12.9   17.5   11.2   16.9   14.1    8.9   11.0   17.1   20.8    8.9    8.8
19 to 20 years    7.7    7.8    4.2   12.7    9.7   10.8   12.5    3.5   10.7    8.0    8.3    9.4    8.3   10.7    4.5    5.1
21 to 25 years   10.8    7.9    3.9   20.3   18.3   23.4   21.3    3.0   16.7   11.3   13.8   15.2    8.5   14.4    4.9    6.8
26 to 30 years    5.9    2.1    1.2   13.1   15.2   16.6   11.7    0.9   10.1    6.6   13.2   12.0    4.1    4.2    2.2    4.5
Over 30 years    6.8    2.5    1.4   14.2   29.8   18.0   11.6    0.7   10.6   11.2   32.1   28.0    5.1    2.6    6.6   14.6
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  1,483,920 386,459 318,818 224,865 32,899 144,048 55,106 230,697 58,239 1,243 6,573 3,310 2,845 1,956 1,129 15,733
No. of prior treatment episodes                
None   44.3   50.6   39.1   21.7   40.8   35.8   39.8   61.2   53.5   59.2   44.0   48.8   53.3   44.5   52.5   71.9
1   21.4   20.1   22.3   20.0   24.4   22.7   23.9   22.2   25.1   19.7   23.1   22.4   23.6   24.1   17.9   13.4
2   11.6    9.7   13.0   14.8   13.1   14.8   14.8    8.4   11.0    7.9   10.7   10.9   10.1   13.3    9.2    5.2
3    6.6    5.1    7.9    9.9    7.4    8.9    8.7    3.5    4.7    4.1    6.2    7.0    5.2    5.7    4.7    2.5
4    3.7    2.9    4.5    6.6    4.2    5.0    4.0    1.5    2.3    2.3    3.8    3.1    2.3    3.1    3.0    1.3
5 or more   12.3   11.6   13.2   27.0   10.1   12.8    8.8    3.2    3.4    6.7   12.0    7.8    5.4    9.3   12.7    5.8
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  1,433,375 343,048 271,195 221,828 30,616 145,089 49,622 225,118 85,843 1,170 5,267 3,038 2,667 2,840 1,109 44,925
- -  Quantity is zero.
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS) - 5.31.03.