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Table 3 Factors associated with HIV infection among MSM in Zhengzhou

From: Factors associated with HIV infection among men who have sex with men in Henan Province, China: a cross-sectional study

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)*
  1. *:p < 0.05 OR = odds ratio; AOR adjusted odds ratio; CI = confidence interval;
  2. STDs: sexually transmitted diseases.