Table 1.
Subject Demographics and Drug Use Variables
| Mean/Count | SD | |
|---|---|---|
| Age | 45.7 | 5.8 |
| Female | 16 (42%) | |
| Race | ||
| Caucasian | 7 (18%) | |
| African American | 31 (82%) | |
| Years of Education | 12.1 | 1.5 |
| Income | $7155 | $7479 |
| ZKPQ | 1.4 | 1.7 |
| CPD | 11.8 | 7.4 |
| FTND | 3.8 | 2.3 |
| Alcoholic Drinks Per Week | 14.6 | 17.0 |
| MAST | 8.4 | 8.8 |
| DAST | 10.2 | 5.6 |
| Cocaine Use | ||
| Days Used Per Month | 15.7 | 9.2 |
| Money Spent Per Month | $659.5 | $701.0 |
| Lifetime Uses | 3562.6 | 2715.6 |
| Years Used | 20.3 | 8.3 |
| Cocaine Abuse | 11 (28.9%) | |
| Cocaine Dependence | 25 (65.8%) |
Note. ZKPQ = Impulsivity Subscale of the Zuckerman-Kuhlman Personality Questionnaire; CPD = cigarettes per day; FTND = Fagerström Test for Nicotine Dependence; MAST = Michigan Alcohol Screening Test; DAST = Drug Abuse Screening Test.