Table 1.
Means and Standard Deviations for demographic data, drug dependence, and abstinence.
| Controls N=92 |
SD N=70 |
SDPG N=26 |
p-value | |
|---|---|---|---|---|
| Sex | 55M/37F | 38M/32F | 18M/8F | ns |
| Age | 33.4 ± 9.3 | 34.3 ± 8.0 | 35.6 ± 6.8 | ns |
| Educationa | 14.1 ± 1.9 | 12.2 ± 2.1 | 11.3 ± 1.9 | <0.001 |
| IQa | 108.0 ± 12.5 | 101.2± 10.1 | 101.1 ± 10.0 | <0.001 |
| Stimulants | 0 (0%) | 70 (100%) | 26 (100%) | ns |
| Amphetamines | 0 (0%) | 53 (76%) | 24 (93%) | ns |
| Cocaine | 0 (0%) | 41 (59%) | 20 (77%) | ns |
| Tobacco | 15 (16%) | 53 (76%) | 22 (85%) | ns |
| Alcohol | 0 (0%) | 40 (57%) | 16 (62%) | ns |
| Cannabis | 0 (0%) | 19 (27%) | 15 (58%) | <0.05 |
| Opioids | 0 (0%) | 13 (19%) | 9 (35%) | ns |
| Hallucinogens | 0 (0%) | 3 (4%) | 4 (15%) | ns |
| Club Drugs | 0 (0%) | 3 (4%) | 3 (12%) | ns |
| Sedatives | 0 (0%) | 2 (3%) | 0 (0%) | ns |
| PCP | 0 (0%) | 1 (1%) | 0 (0%) | ns |
| Inhalants | 0 (0%) | 0 (0%) | ns | |
| Abstinence (years) |
1.2 ± 0.9 | 1.7 ± 1.7 | ns |
a
Controls differ from SD and SDPG. No difference between SD and SDPG.