Table 1: Univariate and multivariate logistic regression analyses of factors associated with using the Internet to seek male partners among Shenyang MSM .

Variables Using Internet MSM () Non-Internet MSM ()cOR (95% CI)aOR (95% CI)

 ≤25 years60060.0%42243.0%Ref
 >25 years40040.0%55957.0%2.0 NA
Monthly income
 1–300 $32132.1%48048.9%0.5 NA
 >300 $35835.8%28228.7%0.9 (0.7–1.1)NA
Education level
 Junior high school and below22922.9%53954.9%Ref
 Senior high school and above77177.1%44245.1%4.1 NA
Residence place
 Other cities63363.3%70872.2%RefRef
 Shenyang36736.7%27327.8%1.5 1.2 (1.0–1.5)
 Han85285.2%82083.6%1.1 (0.9–1.4)1.0 (0.8–1.3)
Marriage status
 Single81981.9%64565.7%2.4 2.0 (1.6–2.5)
Sexual orientation
 Bisexual orientation28128.1%36637.3%RefRef
 Homosexual orientation70470.4%58459.5%1.6 1.3
 Heterosexual or not sure151.5%313.2%0.6 (0.3–1.2)0.6 (0.3–1.1)
Age of male sexual behavior debut
 >25 years909.0%21822.5%RefRef
 18–25 years67868.0%59861.6%2.8 1.9
 <18 years22923.0%15516.0%3.6 2.5
Condom use with steady male sex partners in the past year
 Occasionally or never use37158.1%38565.3%RefRef
 Always use26841.9%20534.7%1.4 1.3
Condom use with casual male sex partners in the past year
 Occasionally or never use38447.5%40257.8%RefRef
 Always use42552.5%29442.2%1.5 1.4
Preferred intercourse sexual roles with male partners
 Insertive anal sexual role29529.7%33935.2%RefRef
 Receptive anal sexual role20420.5%14815.4%1.6 1.5
 Both insertive and receptive49549.8%47549.4%1.2 (1.0–1.5)1.2 (1.0–1.5)
Number of male sexual partners in the past year
 4–1034334.3%29630.2%1.3 1.2 (0.9–1.5)
 0–338538.5%37438.1%1.2 (1.0–1.5)0.9 (0.7–1.1)
STD symptoms in the past year
 Yes545.4%353.6%1.5 (1.0–2.4)1.6

a: adjusted for age, monthly income, and education level. cOR: crude odds ratio. aOR: adjusted odds ratio. , , . NA, not applicable.