Table 1.
Demographic Characteristics of Study Participants.
| n | % | |
|---|---|---|
| Sex | ||
| Male | 1,643 | 60.8 |
| Female | 1,054 | 39.0 |
| Race | ||
| White | 1,509 | 55.8 |
| Black | 484 | 17.9 |
| Other | 223 | 8.3 |
| Age | ||
| <21 years | 512 | 19.0 |
| 21–34 years | 1,254 | 46.5 |
| 35–44 years | 469 | 17.4 |
| 45+ years | 461 | 17.1 |
| Education | ||
| Less than high school | 289 | 10.7 |
| Graduated high school | 730 | 27.0 |
| Some college | 1,020 | 37.7 |
| Graduated college | 499 | 18.5 |
| Beyond college | 140 | 5.2 |
| Substance use | ||
| Marijuana use | 1,940 | 71.8 |
| Marijuana abuse | 239 | 8.9 |
| Marijuana dependence | 130 | 4.8 |
| Cocaine use | 1,266 | 46.9 |
| Cocaine abuse | 97 | 3.6 |
| Cocaine dependence | 59 | 2.2 |
| Painkiller use | 2,017 | 74.7 |
| Painkiller abuse | 209 | 7.7 |
| Painkiller dependence | 98 | 3.6 |