Prevalence of HIV infection and sexual behaviors with both men and women among currently married men who have sex with men / 中华流行病学杂志

ABSTRACT

Objective To find out the status of HIV infection,sexual behaviors with both men and women as well as condom use among currently married men who have sex with men (MSM) so as to document for HIV intervention targeting this sub-population,in Beijing,Chengdu,Harbin and Zhengzhou cities.Methods “Snowballing” sampling method was used to recruit subjects in four cities.Participants were investigated by anonymous questionnaire containing demographics,sexual orientation,both homosexual and heterosexual behaviors and condom use during the past 6 months.Blood samples from participants were used to test HIV antibodies.Results Of the 858 participants for four cities,the average age was 38.3 (SD=9.1) years.36.7％ of them had completed the junior high school or under.The percentage of participants who identified themselves as homosexual,bisexual,and heterosexual or undecided were 40.9％,54.3％ and 4.8％,respectively.The overall HIV prevalence was 8.0％,and among four cities the HIV prevalence in Chengdu was the highest ( 13.3％ ).Results from the Multiple logistic regression analysis showed that never used condoms when having anal sex with men during the past 6 months among participants who did not have a city residential card,identifying himself as having homosexual orientation,living in Harbin,having first anal sex experience before 18 years of age the range of OR value was 1.5-2.1.In addition,the faetors associated with never using condoms in vaginal sex with women during the past 6 months were as followsbeing over 46 years old,not having a city residential card,living in Beijing,identifying himself as heterosexual orientated or with unknown sexual orientation,never using condoms in anal sex with men during the past 6 months,the range of OR value was 1.7-5.9.Conclusion The prevalence of HIV infection seemed to be quite high among those currently married MSM.High rates of unprotected homosexual and heterosexual behaviors might accelerate the spreading of HIV from currently married MSM to their wives.