Table 3. Factors associated with HIV Seroconversions in 12-month follow-up study among YMSM in Cox regression analysis.
| Factors | Block 1 RR (90% CI) | Block 2 RR (90% CI) | Block 3 RR (90% CI) |
| Socio-demographic characteristics | |||
| Age a | 1.60 (0.87–2.92) | 1.45 (0.79–2.68) | 1.22 (0.65–2.29) |
| Marital status a | 1.10 (0.46–2.64) | 0.96 (0.38–2.41) | 0.97 (0.38–2.45) |
| Local resident a | 1.43 (0.86–2.38) | 1.37 (0.81–2.32) | 1.27 (0.75–2.18) |
| Education level | |||
| Some college or higher | 1 | 1 | 1 |
| Junior high school or less | 0.87 (0.37–2.06) | 0.87 (0.36–2.09) | 0.74 (0.30–1.77) |
| Senior high school | 1.17 (0.65–2.11) | 1.18 (0.65–2.14) | 1.22 (0.67–2.24) |
| Student a | 2.69 (1.35–5.39)* | 2.83 (1.41–5.69)* | 2.61 (1.30–5.26)* |
| Homosexual a | 1.39 (0.85–2.27) | 1.38 (0.84–2.27) | 1.46 (0.88–2.41) |
| Knowledge and sex behaviors | |||
| HIV/AIDS knowledgea | 8.66 (2.24–33.56)* | 8.87 (2.16–36.43)* | |
| Had anal sex with menin the past 6 months a | 0.80 (0.34–1.86) | 0.87 (0.38–2.02) | |
| Male sexual partners for morethan 2 people in the past 6 monthsa | 1.11 (0.65–1.90) | 1.04 (0.61–1.78) | |
| Consistent condom use with malesex partners in the past 6 monthsa | 1.36 (0.81–2.29) | 1.30 (0.77–2.19) | |
| Being paid by a man for sexin the past 6 monthsa | 1.54 (0.41–5.84) | 1.72 (0.43–6.84) | |
| Consistent condom use whenbe paid for sex in the past 6 monthsa | 0.00 (0.00–6.58*10189) | 0.00 (0.00–2.93*10270) | |
| Syphilis and STD | |||
| Had specific symptoms ofSTD infections in the past 12 monthsa | 1.74 (0.89–3.37) | ||
| Syphilis infectiona | 5.04 (2.57–9.90)* |
*Denotes significance at P<0.10 level.
a
Dichotomous variables: Age: 0 = 21∼25 years, 1 = 18∼20 years; Married: 0 = no, 1 = yes; Local resident: 0 = yes, 1 = no; Student: 0 = yes, 1 = no; Homosexual: 0 = yes, 1 = no; HIV/AIDS knowledge: 0 = know, 1 = unacquaintance (know: scores of HIV/AIDS knowledge = 6–8, unacquaintance: scores of HIV/AIDS knowledge = 0–5); Had anal sex with men: 0 = no, 1 = yes; Male sexual partners for more than 2: 0 = no, 1 = yes; Consistent condom use with male sex partners: 0 = yes, 1 = no; Being paid by a man for sex: 0 = no, 1 = yes; Consistent condom use when paid for sex: 0 = no, 1 = yes; Had specific symptoms of STD infections in the past 12 months: 0 = no, 1 = yes; Syphilis infection: 0 = no, 1 = yes.