南京市在婚男男性行为人群HIV感染状况及其相关行为特征调查

HIV infection status and correlated behaviors among current married MSM in Nanjing

目的了解南京市在婚MSM(男男性行为)人群HIV感染状况及性行为特征。方法 2014年在南京通过"滚雪球"方法共招募220名在婚MSM人群,进行问卷调查和HIV抗体检测。结果在婚MSM人群HIV阳性检测率为12.7%;有77.7%的调查对象最近6个月与同性发生过肛交性行为,肛交性行为时坚持使用安全套的比例是43.9%,最近一次肛交安全套的使用比例为60.8%;有53.2%的调查对象最近6个月与女性发生过性行为,异性性行为时坚持使用安全套的比例为29.1%,55.6%在最近1次异性性行为时未使用安全套。调查对象中,HIV感染者最近1年做过HIV抗体检测的比例是42.9%,17.9%最近1年曾诊断罹患性病。感染者最近6个月中:78.6%与同性发生肛交性行为;22.7%坚持使用安全套;42.9%与异性发生性行为,性行为时坚持使用安全套的比例是33.3%。结论南京在婚MSM人群的HIV感染率较高,且无保护性的同性和异性性行为同时存在,将加剧HIV在MSM人群和在婚女性之间的传播。

Objective To investigate HIV infection status, sexual behavior characteristics among currently married men who have sex with men （MSM） in Nanjing. Methods Snowball sampling method was used to recruit 220 current currently married MSM in Nanjing for questionnaire based interview and HIV antibody analysis. Results The HIV positive rate was 12.7% among currently married MSM; 77.7% participants had homosexual anal intercourse with in the past 6 months. The condom use rate in last homosexual intercourse and in past six months was 60.8% and 43.9% respectively. There were 53.2% of the participants had heterosexual intercourse with females in past 6 months , the rate of condoms use was 29.1% ; 55.6 failed to use condoms in last heterosexual intercourses. Among HIV infected patients, 42.9% took HIV antibody analysis and 17.9 % were diagnosed as STD in recent year; 78.6 % had homosexual anal intercourses while only 22.7 % used condoms each time; 42.9% had heterosexual intercourses while 33.3% used condoms each time. Conclusion The HIV infection rate among currently married MSM is high. Unprotected homosexual and heterosexual behaviors accelerated the spreading of HIV in cur- rently married MSM and females.