Table 2.
Description of Follow-Up Substance Use in Study Sample
| Substance | % Sample Reporting Use | Light Use (N) | Moderate Use (N) | Heavy Use (N) |
|---|---|---|---|---|
| Alcohol | 92.4 | 25 | 43 | 5 |
| Marijuana | 54.4 | 20 | 16 | 7 |
| Tobacco | 41.8 | 18 | 4 | 11 |
| LSD | 17.7 | 14 | 0 | 0 |
| Amphetamines | 17.7 | 12 | 2 | 0 |
| Cocaine | 16.5 | 11 | 2 | 0 |
| Valium | 11.4 | 9 | 0 | 0 |
| Inhalants | 7.6 | 5 | 1 | 0 |
| Opiates | 3.8 | 2 | 1 | 0 |
| Barbiturates | 1.3 | 1 | 0 | 0 |
| Crack | 1.3 | 1 | 0 | 0 |
| Number of Substances Used* | N (% of total sample) | AADIS M(SD) | SIP M(SD) |
|---|---|---|---|
| Abstainers | 6(27.6) | -- | -- |
| Alcohol Only | 19(24.1) | 2.5(1.2) | 15.2(0.6) |
| Alcohol + 1 other Substance | 18(22.8) | 4.7(1.6) | 16.1(1.6) |
| Alcohol + 2 other Substances | 17(21.5) | 9.2(3.6) | 18.2(3.6) |
| Alcohol + 3 or more Substances | 19(24.1) | 13.4(5.3) | 20.8(7.5) |
Note. Light Use = Report of 1 (Tried Once or Twice) or 2 (Several Times a Month) on AADIS; Moderate Use = Report of 3 (Weekends Only) or 4 (Several Times a Week) on AADIS; Heavy Use = Report of 5 (Daily) or 6 (Several Times a Day) on AADIS; AADIS = Adolescent Alcohol and Drug Involvement Scale; SIP = Short Inventory of Problems;
*
Reported frequency of alcohol use was higher among the groups reporting alcohol + 2 other substances and alcohol +3 or more substances than the group reporting alcohol only [F(3,69) = 3.048, p = .034).