Table 1.
Sample characteristics
| Characteristic | n (%) |
| Sex | |
| Male | 254 (39.7%) |
| Female | 386 (60.3%) |
| Intervention | |
| Yes | 365 (57.0%) |
| No | 275 (43.0%) |
| Education | |
| <High school education | 180 (28.6%) |
| High school diploma or GED | 280 (44.4%) |
| Vocational training/college | 170 (27.0%) |
| Incomea | |
| <$10,000 | 389 (82.1%) |
| $10,000–$20,000 | 61 (12.9%) |
| >$20,000 | 24 (5.1%) |
| Cohort identification | |
| Cohort 1 | 345 (53.9%) |
| Cohort 2 | 295 (46.1%) |
| Alcohol abuse or dependence by cohort | |
| Cohort 1 | 25 (7.2%) |
| Cohort 2 | 21 (7.1%) |
Notes: GED = General Education Development.
a
In U.S. dollars.