Characteristics of the study population stratified by ancestry and sex
| Characteristic | Group; mean ± SD or no. (%) | |||
|---|---|---|---|---|
| AA women (n = 616) | AA men (n = 1290) | EA women (n = 503) | EA men (n = 941) | |
| Age, yr | 40 ± 8.7 | 43 ± 9.1 | 38 ± 11 | 39 ± 11 |
| DSM-IV CaD (lifetime) | 190 (31) | 566 (44) | 188 (37) | 497 (52) |
| Multiple sexual partners | 200 (32) | 607 (47) | 205 (41) | 391 (42) |
| Unprotected sex | 173 (28) | 346 (27) | 134 (27) | 232 (25) |
| RSB score | 0.61 ± 0.75 | 0.74 ± 0.72 | 0.67 ± 0.73 | 0.66 ± 0.7 |
| STD status (positive) | 299 (49) | 491 (38) | 163 (32) | 166 (18) |
| HIV status (positive) | 48 (8) | 100 (8) | 19 (4) | 38 (4) |
AA = African-American; CaD = cannabis dependence; EA = European-American; HIV = human immunodeficiency virus; RSB = risky sexual behaviours; SD = standard deviation; STD = sexually transmitted disease.