Univariate and multivariate analyses of baseline characteristics and factors related to awareness of PrEP or nPEP among MSM in NYC
| Risk factor for knowledge of nPEP or PrEP | No with factor/no of responses | No aware of nPEP or PrEP | Univariate OR (95% CI) | p Value | Multivariate OR (95% CI) | p Value |
| Any interaction with HCS | 534/553 (96.6%) | 194 (36.3%) | 4.56 (0.57 to 36.77) | 0.15 | 2.16 (0.24 to 47.07) | 0.53 |
| Previous HIV testing | 494/554 (89.2%) | 191 (39%) | 3.15 (1.56 to 6.36) | 0.001 | 2.74 (0.56 to 20.82) | 0.12 |
| College education or higher | 482/553 (87.2%) | 13 (18.3%) | 2.85 (1.52 to 5.35) | 0.001 | 2.28 (0.65 to 9.65) | 0.22 |
| Primary provider aware of MSM behaviour | 147/316 (46.5%) | 72 (40%) | 2.16 (1.36 to 3.42) | 0.001 | 2.10 (0.97 to 4.58) | 0.06 |
| Gay-identified | 422/551 (76.6%) | 169 (40.0%) | 2.11 (1.35 to 3.31) | 0.001 | 1.55 (0.60 to 4.15) | 0.37 |
| White race | 259/553 (46.8%) | 121 (36%) | 1.81 (1.28 to 2.57) | 0.001 | 1.81 (0.85 to 3.93) | 0.12 |
| Use of internet for meeting partners in previous 90 days | 212/498 (42.6%) | 93 (43.9%) | 1.73 (1.20 to 2.50) | 0.004 | 0.85 (0.39 to 1.82) | 0.68 |
| Sex with HIV-positive partner in previous 90 days | 39/538 (7.2%) | 20 (51.3%) | 1.92 (1.00 to 3.68) | 0.05 | 1.40 (0.42 to 4.83) | 0.58 |
| No of sex partners in previous 90 days | 0.11* | 0.10* | ||||
| 0–3 | 163/554 (29.4%) | 47 (28.8%) | 1 | 1 | ||
| 4–10 | 230/554 (41.5%) | 88 (38.3%) | 1.53 (1.00 to 2.36) | 0.05 | 3.03 (1.02 to 10.04) | 0.05 |
| 11–20 | 87/554 (15.7%) | 35 (40.2%) | 1.66 (0.96 to 2.87) | 0.07 | 2.57 (0.79 to 9.16) | 0.13 |
| 20–180 | 74/554 (13.4%) | 31 (41.9%) | 1.78 (1.00 to 3.15) | 0.05 | 5.10 (1.34 to 21.81) | 0.02 |
| Unprotected anal sex in previous 90 days | 206/328 (62.8%) | 83 (40.3%) | 1.38 (0.87 to 2.21) | 0.18 | 0.95 (0.43 to 2.08) | 0.89 |
| Age quintiles (years) | 0.51* | |||||
| 18–30 | 123/553 (22.2%) | 40 (32.5%) | 1 | |||
| 31–36 | 117/553 (21.2%) | 43 (36.8%) | 1.21 (0.71 to 2.06) | |||
| 37–42 | 105/553 (19%) | 41 (39%) | 1.33 (0.77 to 2.30) | |||
| 43–49 | 101/553 (18.3%) | 42 (41.6%) | 1.48 (0.85 to 2.56) | |||
| 50–74 | 107/553 (19.3%) | 34 (31.8%) | 0.96 (0.55 to 1.68) | |||
↵* χ2 test for reduction in residual deviance resulting from addition of categorised variable to model.
HCS, healthcare setting; MSM, men who have sex with men; nPEP, non-occupational post-exposure prophylaxis; NYC, New York City; PEP, post-exposure prophylaxis; PrEP, pre-exposure prophylaxis.