Table 1. Participant characteristics.
| Demographic or Risk Behaviour | Data available | All Participants n = 2535 | Age ≤ 24 n = 562 | Age 25–49 n = 1657 | Age ≥ 50 n = 316 | p |
|---|---|---|---|---|---|---|
| Race/Ethnicity | 2425 | <0.001* | ||||
| Non-Hispanic White | 955 (39.4%) | 179 (33.5%) | 634 (40.1%) | 142 (46.1%) | ||
| Hispanic/Latino | 881 (36.3%) | 216 (40.4%) | 563 (35.6%) | 102 (33.1%) | ||
| Non-Hispanic Black | 285 (11.8%) | 53 (9.9%) | 193 (12.2%) | 40 (12.7%) | ||
| Asian | 125 (5.2%) | 42 (7.9%) | 77 (4.9%) | 6 (1.9%) | ||
| Other | 179 (7.4%) | 44 (8.2%) | 116 (7.3%) | 19 (6.2%) | ||
| Any previous HIV test | 2197 | 2014 (91.7%) | 382 (83.4%) | 1406 (94.9%) | 227 (88.0%) | <0.001* |
| Months since last HIV test (median, IQR) | 1919 | 9.3 (3.3–25.9) | 6.0 (1.9–12.8) | 9.9 (3.3–28.3) | 14.8 (4.8–61.3) | <0.001* |
| #of partners, prior 12 months (median, IQR) | 2476 | 2 (1–3) | 2 (1–4) | 2 (1–3) | 1 (1–2) | <0.001* |
| One or fewer partners in prior 12 months | 2476 | 1105 (44.6%) | 185 (33.7%) | 715 (44.3%) | 205 (65.7%) | <0.001* |
| Sex with MSM, 12 months | 2047 | 157 (7.7%) | 27 (5.9%) | 107 (8.0%) | 23 (8.9%) | 0.231 |
| Sex with injection drug user, 12 months | 2472 | 266 (10.8%) | 58 (10.5%) | 191 (11.9%) | 17 (5.5%) | 0.002* |
| Sex with HIV-infected partner, 12 months | 2461 | 194 (7.9%) | 23 (4.2%) | 141 (8.8%) | 30 (9.8%) | <0.001* |
| Sex in exchange for money or drugs, 12 months | 1348 | 28 (2.1%) | 9 (2.8%) | 17 (2.0%) | 2 (1.3%) | 0.548 |
| Unprotected Receptive Anal Intercourse | 2387 | 223 (9.3%) | 50 (9.2%) | 157 (9.9%) | 16 (6.3%) | 0.177 |
| Unprotected Receptive Vaginal Intercourse | 2186 | 1849 (84.6%) | 416 (83.0%) | 1232 (84.9%) | 201 (85.9%) | 0.519 |
| Other sexually transmitted infection (STI) | ||||||
| Any STI, 12 months | 2477 | 207 (8.4%) | 63 (11.4%) | 129 (8.0%) | 15 (4.8%) | 0.003* |
| Bacterial STI, 12 months | 2477 | 108 (4.4%) | 37 (6.7%) | 63 (3.9%) | 8 (2.6%) | 0.008* |
| Any STI ever | 2438 | 416 (17.1%) | 51 (9.4%) | 293 (18.5%) | 72 (23.2%) | <0.001* |
| Drug Use | ||||||
| Injection Drug Use, 12 months | 2513 | 154 (6.1%) | 34 (6.1%) | 112 (6.8%) | 8 (2.5%) | 0.008* |
| Use of non-injection stimulants, 12 months# | 2513 | 611 (24.3%) | 142 (25.4%) | 429 (26.2%) | 40 (12.7%) | <0.001* |
| Early Test HIV Positive | 2535 | 18 (0.7%) | 2 (0.4%) | 15 (0.9%) | 1 (0.3%) | 0.368 |
*Statistically significant p < 0.05.
#Stimulants: methamphetamine, cocaine, crack, GHB, ecstasy, ketamine; IQR = interquartile range.