Table 1.
| Placebo | Modafinil | Healthy | |
|---|---|---|---|
| n = | 18 | 12 | 19 |
| Demographics | Mean ± SD | ||
| Age (years) | 44 ± 7 | 42 ± 7 | 40 ± 6 |
| Gender (% male) | 83% | 83% | 74% |
| Race (% African American) | 67% | 67% | 42% |
| Years of education | 12.1 ± 1.4 | 12.1 ± 2.1 | 14.2 ± 1.9 |
| Shipley Institute of Living Scale (estimated IQ) | 89 ± 13 | 86 ± 16 | 101 ± 11 |
| Southern Oaks Gambling Scale | 2.2 ± 4.0 | 3.9 ± 4.4 | 0.8 ± 1.7 |
| Addiction Severity Index (mean of composite scores) | 0.21 ± 0.09 | 0.20 ± 0.07 | |
| Days abstinent at first BART test | 12 ± 4 | 13 ± 4 | |
| Substance use | Median (sIQR) | ||
| Cocaine frequency (days/month) | 14 (4) | 9 (5) | |
| Cocaine amount (grams/month) | 12 (13) | 9 (6) | |
| Years of cocaine use | 26 (4) | 25 (5) | |
| Alcohol (drinks/month) | 21 (49) | 16 (31) | 2 (3) |
| Nicotine (cigarettes/day) | 8 (6) | 6 (5) | 0 (0) |
| Marijuana (joints/month) | 0 (0) | 0 (0) | 0 (0) |
| Caffeine (drinks/week) | 9 (6) | 11 (8) | 7 (4) |