Profile of the sample (n = 398)
| Characteristic | Percentage or mean (SD) |
| Sexual risk | |
| Had been diagnosed with an STI (past year) | 9.0% |
| Type of STI (among those with an STI diagnosis) | |
| Syphilis (389 tested) | 6.3% |
| Gonorrhoea (228 tested) | 5.3% |
| Chlamydia (232 tested) | 0.4% |
| Transmission risk behaviour (past 6 months) | 50.5% |
| Demographics | |
| Age, years | 41.5 (8.4); range 20–68 |
| Race/ethnicity | |
| White | 74.6% |
| Black/African American | 10.8% |
| Hispanic/Latino | 9.8% |
| Other | 4.8% |
| Education | |
| High school degree/GED | 13.6% |
| Some college/associates degree/technical degree | 34.7% |
| College degree | 34.7% |
| Graduate degree | 17.0% |
| Annual income | |
| Less than US$20 000 | 35.1% |
| US$20 001–40 000 | 21.6% |
| US$40 001–60 000 | 15.3% |
| Greater than US$60 000 | 28.0% |
| Past 3 months substance use | |
| Binge drinking (5 or more drinks in one sitting) | 19.3% |
| Crystal methamphetamine use (any) | 22.9% |
| Other drug use (any) | 56.8% |
| HIV disease status and treatment | |
| Years since HIV diagnosis | 8.6 (6.7); range 0.2–22.4 |
| CD4 cell count (cells/mm3) | 532.1 (299.3); range 14–1987 |
| Currently taking HIV medication | 66.1% |
| Viral load (mean plasma HIV-RNA, copies/ml) | 14 777 (46 332); range 75–442 298 |
GED, General Educational Development; STI, sexually transmitted infection.