Table 2.
Factors associated with HIV prevalence at baseline screening among MSM in Yangzhou and Guangzhou, China
| Yangzhou Multivariate analysis | Guangzhou Multivariate analysis | |||||
|---|---|---|---|---|---|---|
| Factors | n | OR (95% CI) | p | n | OR (95% CI) | p |
| Age (years) | ||||||
| 20–40 | 21 (209) | 1 | 16 (281) | – | ||
| >40 | 25 (103) | 4.34 (2.25–8.36) | <0.001 | 3 (18) | – | |
| Marital status | ||||||
| Single | 9 (118) | 1 | 9 (239) | 1 | ||
| Married | 36 (187) | 2.88 (1.33–6.24) | 0.007 | 8 (56) | 13.48 (2.06–88.18) | 0.007 |
| Divorced | 1 (12) | – | 2 (10) | 5.84 (1.91–17.80) | 0.002 | |
| Anal sex with men in the past 6 months | ||||||
| Yes | 30 (202) | – | 17 (177) | 9.03 (1.85–44.10) | 0.007 | |
| No | 16 (115) | – | 2 (128) | 1 | ||
| Condom use during last anal sex with a man | ||||||
| Yes | 21 (40) | – | 5 (110) | 1 | ||
| No | 9 (62) | – | 12 (67) | 4.93 (1.65–4.69) | 0.004 | |
| Sex with female partners in the past 6 months | ||||||
| Yes | 36 (188) | 2.50 (1.14–5.48) | 0.022 | 3 (52) | – | |
| No | 10 (129) | 16 (253) | – | |||
| Condom use during last sexual encounter with a female partner | ||||||
| Yes | 3 (56) | 1 | 1 (14) | – | ||
| No | 33 (132) | 5.89 (1.73–20.11) | 0.005 | 2 (38) | – | |
| Syphilis positive | ||||||
| Yes | 26 (98) | 3.47 (1.76–6.84) | <0.001 | 5 (20) | 6.29 (1.63–24.29) | 0.008 |
| No | 20 (219) | 1 | 14 (285) | 1 | ||
CI: confidence interval; OR: odd ratio.