Table 3

Factors associated with HIV infection among MSM in Zhengzhou
Factors Positive% Total N OR1 (95% CI) AOR2 (95% CI)
Age
≤25(Ref) 12.0 125 1
26-35 13.9 137 1.18(0.57, 2.44)
>35 13.5 126 1.14(0.54, 2.41)
Marital status
Single (Ref) 12.1 173
Married 15.5 181 1.05(0.22,4.88)
Separated /divorced/widowed 5.9 34 0.65(0.36,7.50)
Residency
Local province (Ref) 10.1 298 1 1
Other province 23.3 90 2.72 (1.47, 5.05)* 5.53(1.14, 6.25)*
Ethnicity
Han (Ref) 12.0 316 1
Others 18.1 72 1.61 (0.81,3.21)
Time of living in Zhengzhou
<3 month (Ref) 18.9 74 1
3 month-1 year 11.1 54 0.72 (0.66,3.41)
>1 year 11.9 260 0.92 (0.37,2.34)
Education level
Junior high school or lower (Ref) 13.8 80 1
Senior high school 15.8 158 1.44(0.63,3.29)
College or above 10.0 150 0.30 (0.12,0.94)*
appropriate responses to the 8 HIV-related knowledge items≥ 6
No (Ref) 17.9 28 1
Yes 14.6 314 0.67(0.24,1.89)
Had sex with male in the past 6 months
No(Ref) 8.7 46 1
Yes 13.7 342 1.63(0.56,4.75)
Condom use in the last sex with male
No(Ref) 19.1 115 1 1
Yes 11.0 227 0.52(0.28,0.98)* 0.35(0.14,0.87) *
Condom use during sex with male in the past 6 months
Never(Ref) 16.4 61 1
Sometimes 15.0 160 0.94 (0.55,2.10)
Always 10.7 121 0.27(0.03,2.12)
Had commercial sex with male in the past 6 months
No(Ref) 9.1 33 1
Yes 13.5 355 1.56(0.46,5.32)
Had sex with female in the past 6 months
No(Ref) 15.2 197 1
Yes 11.0 191 0.69(0.38,1.25)
Condom use in the last sex with female
No(Ref) 15.3 118 1 1
Yes 4.1 73 0.24(0.07,0.84)* 0.16 (0.08,0.90)*
Condom use during sex with female in the past 6 months
Never (Ref) 13.8 58 1
Sometimes 10.3 107 0.97 (0.24,2.73)
Always 8.0 26 0.95 (0.23,4.01)
Receipt of condoms
No(Ref) 18.1 149 1
Yes 10.0 239 0.50 (0.28,0.96)* 0.15 (0.02,0.87)*
Received peer education
No(Ref) 14.5 179 1
Yes 12.0 209 0.80 (0.41,1.43)
Received HIV checks in the last year
No(Ref) 13.3 270 1
Yes 12.7 118 0.95(0.50,1.79)
Diagnosed STDs in the last year
No (Ref) 13.0 353 1
Yes 14.3 35 1.05 (0.56,2.00)
Syphilis status
Negative(Ref) 11.5 348 1 1
Positive 27.5 40 2.92(1.34,6.30)* 4.91 (1.70,12.02)*

*:p < 0.05 OR = odds ratio; AOR adjusted odds ratio; CI = confidence interval;

STDs: sexually transmitted diseases.

Liu et al.

Liu et al. BMC Public Health 2013 13:356   doi:10.1186/1471-2458-13-356

Open Data