Table 2.
Baseline Demographic and Substance Use Variables
| Measure | Mean | Standard Deviation | Range |
|---|---|---|---|
| Age | 40.5 | 6.1 | 29 – 51 |
| Sex (# male) | 10 | ||
| Race | |||
| African American | 16 | ||
| Caucasian | 3 | ||
| Other | 1 | ||
| Years of Education | 12.2 | 1.4 | 8 – 14 |
| Weight (kg) | 75.3 | 12.3 | 53.5 – 95.0 |
| Cigarettes per day (n=17) | 7.1 | 20.8 | 0.2 – 20.0 |
| FTND | 2.5 | 2.2 | 0 – 6 |
| Standard alcohol drinks per week | 17.1 | 20.8 | 1.0 – 88.0 |
| MAST | 7.9 | 9.8 | 0 – 32 |
| DAST | 8.6 | 4.9 | 3–20 |
| Cocaine | |||
| Days used past week | 2.4 | 1.4 | 0 – 5 |
| Days used past month | 9.0 | 5.9 | 1 – 20 |
| Years used | 14.2 | 7.7 | 3 – 34 |
| Other: Days used past month | |||
| Amphetamines (n=1) | 8 | ||
| Benzodiazepines (n=1) | 3 | ||
| Marijuana (n=15) | 12.1 | 11.2 | 1 – 30 |
| Opioids (n=4) | 7.8 | 9.1 | 1 – 21 |
Fagerstrom Test for Nicotine Dependence (FTND; Heatherton et al., 1991); Michigan Alcoholism Screening Test (MAST; Selzer, 1971); Drug Abuse Screening Test (DAST; Skinner, 1992)