| All admis-sions | Primary substance at admission | |||||||||||||||
| Alcohol only | Alcohol with secondary drug | Smoked cocaine | Non-smoked cocaine | Heroin | Other opiates | Mari-juana/ hashish | Meth-amphet-amine | Other stimu-lants | Tran-quil-izers | Seda-tives | Hallu-cino-gens | PCP | Inhal-ants | Other/ None speci-fied | ||
| No. of admissions | 1,534,045 | 432,617 | 325,294 | 177,882 | 62,469 | 198,640 | 15,446 | 195,787 | 42,330 | 11,816 | 3,992 | 2,985 | 2,517 | 2,232 | 1,908 | 58,130 |
| Average no. of substances reported | 1.8 | 1.0 | 2.4 | 2.0 | 2.1 | 1.9 | 1.8 | 1.9 | 2.2 | 2.2 | 2.0 | 2.0 | 2.5 | 2.2 | 2.0 | 1.2 |
| Primary use of substance | 100.0 | 28.2 | 21.2 | 11.6 | 4.1 | 12.9 | 1.0 | 12.8 | 2.8 | 0.8 | 0.3 | 0.2 | 0.2 | 0.1 | 0.1 | 3.8 |
| Any use of substance1 | - - | 71.8 | na | 20.3 | 13.8 | 15.5 | 2.3 | 34.9 | 5.6 | 2.1 | 1.5 | 0.8 | 1.5 | 0.5 | 0.4 | 1.2 |
| Substance in addition to primary substance | Percent of admissions reporting use of additional substance1 | |||||||||||||||
| None | 46.0 | 100.0 | - - | 26.9 | 24.9 | 39.4 | 41.1 | 29.5 | 23.5 | 21.9 | 31.7 | 34.4 | 12.9 | 22.5 | 34.1 | 86.3 |
| Alcohol | 22.4 | - - | - - | 58.8 | 56.0 | 24.1 | 28.1 | 58.7 | 47.4 | 47.0 | 40.6 | 35.7 | 44.6 | 45.0 | 44.9 | 8.3 |
| Marijuana/hashish | 22.1 | - - | 62.0 | 34.4 | 34.2 | 10.7 | 13.2 | - - | 47.1 | 46.0 | 17.8 | 18.4 | 63.8 | 31.2 | 41.1 | 3.1 |
| Non-smoked cocaine | 9.7 | - - | 19.9 | 1.8 | - - | 29.0 | 9.1 | 7.7 | 10.0 | 11.2 | 6.2 | 6.7 | 9.8 | 11.7 | 3.7 | 0.7 |
| Smoked cocaine | 8.7 | - - | 27.3 | - - | 2.0 | 11.1 | 6.1 | 7.5 | 4.5 | 3.6 | 5.6 | 5.4 | 6.1 | 15.9 | 2.4 | 4.8 |
| Methamphetamine | 2.8 | - - | 6.3 | 1.3 | 3.0 | 2.5 | 1.8 | 6.2 | - - | 1.0 | 1.9 | 2.0 | 9.5 | 7.1 | 2.3 | 0.3 |
| Other stimulants | 1.3 | - - | 3.3 | 0.7 | 1.6 | 0.7 | 1.6 | 2.6 | 1.1 | - - | 2.4 | 3.0 | 3.9 | 0.9 | 2.3 | 0.2 |
| Heroin | 2.5 | - - | 6.4 | 4.0 | 8.1 | - - | 8.5 | 1.2 | 3.2 | 3.4 | 4.1 | 3.4 | 2.2 | 4.3 | 0.6 | 0.3 |
| Other opiates | 1.3 | - - | 1.9 | 0.7 | 1.1 | 4.4 | - - | 0.7 | 0.8 | 1.3 | 11.5 | 6.8 | 1.2 | 0.8 | 0.3 | 0.3 |
| Hallucinogens | 1.3 | - - | 1.8 | 0.4 | 1.0 | 0.2 | 0.4 | 5.6 | 2.1 | 1.8 | 0.7 | 0.7 | - - | 2.0 | 1.6 | 0.1 |
| Tranquilizers | 1.2 | - - | 2.3 | 0.7 | 1.1 | 2.6 | 9.8 | 0.9 | 0.9 | 1.1 | - - | 7.2 | 2.2 | 0.9 | 0.9 | 0.5 |
| Sedatives | 0.6 | - - | 1.2 | 0.4 | 0.7 | 0.8 | 4.1 | 0.6 | 0.7 | 1.2 | 4.7 | 3.1 | 1.0 | 0.5 | 0.7 | 0.2 |
| PCP | 0.3 | - - | 0.5 | 0.7 | 0.4 | 0.2 | 0.2 | 0.7 | 0.5 | 0.2 | 0.4 | - - | 1.7 | - - | 0.2 | 0.1 |
| Inhalants | 0.2 | - - | 0.5 | 0.1 | 0.1 | * | 0.1 | 0.9 | 0.2 | 0.4 | 0.2 | 0.2 | 1.7 | 0.4 | - - | 0.1 |
| Other | 0.9 | - - | 2.3 | 0.6 | 0.8 | 0.7 | 1.4 | 1.4 | 1.1 | 1.0 | 3.0 | 2.5 | 1.4 | 1.2 | 1.6 | 0.2 |
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, TEDS - 1.14.98.