Table 3 Logistic regression analysis of factors associated with willingness to use PrEP
Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
Crude OR(95% CI) | p-value | Adjusted OR(95% CI) | p-value | |
Ethnicity | ||||
 Others | 1.000 |  | 1.000 |  |
 Zhuang | 1.912 (1.137–3.215) | 0.015 | 3.172 (1.696–5.934) |  < 0.001 |
 Han | 4.277 (2.600–7.036) |  < 0.001 | 8.785 (4.722–16.343) |  < 0.001 |
Education level | ||||
 Middle school or below | 1.000 |  | 1.000 |  |
 High school | 1.324 (0.743–2.357) | 0.341 | 1.252 (0.633–2.475) | 0.518 |
 College or above | 1.732 (1.092–2.746) | 0.020 | 1.881 (1.082–3.268) | 0.025 |
Personal monthly income (yuan) | ||||
 < 1500 | 1.000 |  |  |  |
 1500–3000 | 1.855 (1.104–3.115) | 0.020 |  |  |
 3001–4500 | 1.916 (1.189–3.089) | 0.008 |  |  |
 > 4500 | 2.162 (1.261–3.705) | 0.005 |  |  |
Sexual orientation | ||||
 Homosexual | 1.000 |  |  |  |
 Bisexual | 1.689 (1.208–2.362) | 0.002 |  |  |
History of STDs other than HIV | ||||
 No | 1.000 |  |  |  |
 Yes | 2.040 (1.133–3.673) | 0.018 |  |  |
Recruitment source | ||||
 Others | 1.000 |  | 1.000 |  |
 Peer introduction | 1.856 (1.160–2.971) | 0.010 | 3.584 (2.104–6.106) |  < 0.001 |
 Network recruitment | 1.011 (0.605–1.689) | 0.967 | 1.197 (0.693–2.068) | 0.518 |
 Gay venues | 11.731 (6.557–20.989) |  < 0.001 | 22.940(11.608–45.053) |  < 0.001 |
Ever had oral sex with a man | ||||
 No | 1.000 |  | 1.000 |  |
 Yes | 2.382 (1.340–4.233) | 0.003 | 1.949 (1.013–3.749) | 0.046 |
Had casual sex other than commercial sex in the past 6Â months | ||||
 No | 1.000 |  | 1.000 |  |
 Yes | 0.495 (0.360–0.680) |  < 0.001 | 0.381 (0.261–0.557) |  < 0.001 |
History of HIV test | ||||
 No | 1.000 |  | 1.000 |  |
 Yes | 2.250 (1.587–3.189) |  < 0.001 | 2.341 (1.552–3.532) |  < 0.001 |