An analysis on HIV infection status and related factors among men who have sex with men / 预防医学

ABSTRACT

Objective To learn the prevalence of HIV among men who have sex with men (MSM)in Zhoushan City,and to analyze the risk factors of HIV infection.Methods A total of 267 MSM were recruited,the information about HIV /AIDS prevention -related knowledge and behavior characteristics among MSM were collected with a face -to -face questionnaire interview.Serological detection for HIV and syphilis infection were conducted simultaneously.Results The average age of the MSMwas 29.45 ±8.16 years old.The awareness rate of HIV /AIDS prevention -related knowledge was 88.76%.During the previous six months,91.76% of the MSM had homosexual and 74.29% of them reported using condom when having anal sex.In the previous six months,10.11% of the MSMhad heterosexual behavior and 40.74% of the MSM reported using condom when having sex behavior with female.HIV and syphilis infection rates in the MSM were 2.62% and 8.24%,respectively.Multivariate analysis showed that men aged 20 -30 years(OR =2.26,95%CI1.74 -3.59),sexual activity outside the scope of the city(OR =2.03,95%CI1.31 -2.95),never use condom when having anal sex in the previous 6 months (OR =1.94,95%CI1.21 -2.69)were the risk factors of HIV infection.Conclusion The MSMamong Zhoushan City have unsafe sex behavior.Effective interventions should be implemented against the main risk factors.