Table 3
Admissions by primary substance of abuse, according to frequency of use, route of administration, age at first use,
and number of prior treatment epsiodes: TEDS 2003
Percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions.]
Frequency of use, route of administration, age at first use, and number of prior treatment episodes 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  1,841,522 426,720 341,278 272,815 51,071 180,851 68,705 284,532 135,737 1,227 7,993 4,134 2,190 4,086 1,170 59,013
Frequency of use                
Daily  42.7  36.0  40.4  78.9  66.7  42.3  28.3  26.8  31.6  36.7  60.7  49.1  18.5  30.0  28.0  35.1
3-6 times per week  10.8  11.5  11.3   4.7   8.1  15.0  13.6  11.7  11.4   9.4   7.5  11.0  10.3  11.2  15.6   8.8
1-2 times per week   9.1  12.1  10.0   2.0   3.1   9.9  11.2  10.5   8.6  10.1   5.1   5.6   9.0  11.1  11.0   6.8
1-3 times in the past month  11.5  14.4  11.8   2.6   4.7  10.2  14.4  16.4  12.3  13.9   7.2   8.4  11.1  14.3  15.4   7.7
No use in the past month  26.0  26.0  26.5  11.8  17.5  22.6  32.5  34.6  36.3  30.0  19.6  25.9  51.1  33.4  30.0  41.7
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  1,708,822 405,663 323,293 251,612 49,329 177,800 61,103 276,936 133,781 1,181 7,661 3,955 2,072 3,666 1,115  9,655
Route of administration                
Oral  46.7  99.1  98.8   2.0  73.6      - -   8.7   2.5   5.7  53.5  94.0  88.3  72.2   6.8   4.5  57.3
Smoking  31.7   0.6   0.8   2.5   2.7 100.0      - -  96.2  56.2  34.4   2.7   4.4  17.0  87.7   4.2  18.2
Injection  11.6   0.1   0.1  60.9  11.8      - -  12.8   0.1  21.6   4.4   0.9   3.4   5.6   1.2   1.3   2.8
Inhalation   9.5   0.1   0.1  33.7  11.1      - -  75.7   0.9  15.1   6.8   2.0   3.0   4.3   3.7  88.8   4.1
Other   0.6   0.1   0.1   0.9   0.8      - -   2.9   0.2   1.4   0.9   0.4   0.9   0.9   0.6   1.1  17.6
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  1,714,447 406,250 322,416 254,560 49,453 180,851 59,995 278,983 133,418 1,191 7,729 3,970 2,087 3,858 1,133  8,553
Age at first use                
12 years or under  14.3  14.4  24.3   3.3   3.8   3.8   3.8  25.5   6.1  14.9   5.0   6.6  10.5   6.6  27.5  23.2
13 to 14 years  16.4  16.0  23.7   6.8   4.3   5.0   7.0  30.9  11.3  14.6   7.4   8.2  20.5  12.6  27.5  10.5
15 to 16 years  21.2  27.3  27.2  12.7   9.4   9.6  14.4  24.7  18.1  18.6  12.1  13.4  24.6  23.0  18.7  16.2
17 to 18 years  16.1  22.2  13.9  17.0  11.8  13.0  18.1  11.2  17.1  16.1  10.8  11.8  18.2  21.9   8.8  11.3
19 to 20 years   7.9   7.7   4.3  13.2  10.6  10.8  12.9   3.5  10.8   9.7   8.5   9.2   9.2  12.7   4.8   6.4
21 to 25 years  11.1   8.1   4.0  20.2  19.1  23.1  20.9   2.9  16.6  11.8  14.5  15.0   9.9  15.4   4.1  10.3
26 to 30 years   5.9   2.0   1.3  12.6  14.3  16.2  11.3   0.8   9.8   5.4  11.5  11.3   4.1   4.9   3.5   6.3
Over 30 years   7.0   2.4   1.3  14.2  26.6  18.5  11.6   0.7  10.2   8.8  30.1  24.4   3.1   2.8   5.0  15.7
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  1,555,853 393,209 308,443 231,680 46,984 159,400 62,706 254,403  72,560 1,065 7,497 3,688 1,995 2,670 1,097  8,456
No. of prior treatment episodes                
None  43.3  50.4  37.2  21.8  40.4  33.2  39.7  58.2  50.1  55.0  43.9  48.3  47.0  42.4  52.7  72.5
1  23.3  22.3  23.3  21.3  25.0  24.0  25.7  24.7  26.7  21.6  22.6  23.5  25.2  26.6  18.3  14.3
2  12.4  10.7  13.9  16.0  13.7  15.3  14.5   9.2  11.9  11.2  12.1  12.1  12.5  15.0   8.4   4.9
3   7.0   5.8   8.4  10.7   7.7   9.5   7.7   3.7   5.4   5.3   7.0   6.1   6.4   6.9   5.8   2.4
4   3.8   3.0   4.7   6.7   4.0   5.3   4.1   1.6   2.3   2.6   3.7   3.0   3.4   3.3   2.5   1.4
5 or more  10.2   7.9  12.5  23.4   9.1  12.7   8.3   2.6   3.6   4.3  10.6   7.0   5.5   5.7  12.3   4.5
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  1,513,188 338,530 265,099 216,031 43,327 160,690 56,284 252,962 121,526 1,104 6,141 3,509 1,815 3,742 1,025 41,403
- -  Quantity is zero.
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 4.11.05.