| Variable | Frequency (%) |
| Age (years) | |
| <20 | 166 (2.3) |
| 20–29 | 767 (10.6) |
| 30–39 | 2833 (39.3) |
| 40–49 | 2555 (35.5) |
| 50–59 | 752 (10.4) |
| 60+ | 129 (1.8) |
| Race/ethnicity | |
| White, not Hispanic | 2611 (32.8) |
| Black, not Hispanic | 4236 (53.1) |
| Hispanic | 356 (4.5) |
| Gender | |
| Female | 3191 (44.3) |
| Male | 4011 (55.7) |
| State | |
| Arkansas | 221(3.1) |
| Georgia | 1905 (26.5) |
| Indiana | 664 (9.2) |
| New Jersey | 3413 (47.4) |
| Washington | 999 (13.9) |
| Urban/rural | |
| Urbanised | 6348 (88.1) |
| Non-urban | 854 (11.9) |