Factors associated with HIV Seroconversions in 12-month follow-up study among YMSM in Cox regression analysis.

*Denotes significance at P<0.10 level. aDichotomous 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.