204例MSM人群HIV/梅毒感染状况及行为学特征分析

Study on HIV/syphilis infections among men who have sex with men and their behavioral feature

目的了解天津市部分男男同性性行为人群(MSM)艾滋病相关危险行为,以及艾滋病病毒(HIV)、梅毒(SP)感染状况,为预防性病、艾滋病传播提供依据。方法采用横断面调查,对进入酒吧的男同性恋者进行问卷调查,同时抽取血样进行梅毒和HIV的实验室检测。结果调查的204人中,HIV感染率为5.9%,梅毒感染率为18.7%。艾滋病知识知晓率为81.4%,近6个月每次性行为均使用安全套的比例为47.9%,HIV感染者安全套使用率低,仅为11.1%,71.4%的HIV感染者最近6个月存在多性伴现象。结论天津市MSM人群危险性行为普遍存在,安全套使用率低,HIV、梅毒感染率较高,应加强对该人群艾滋病性病相关的宣传教育及干预工作,控制HIV的传播。

Objective To investigate high risk behaviors related to HIV/AIDS among men who have sex with men （MSM）in Tianjin and the rate of HIV/syphilis infections among them so as to provide evidence for prevention of HIV/ STD. Methods A cross-sectional survey was conducted among 204 MSM in bars with face to face interviews and blood smaples were taken to test HIV/syphilis. Results Of the 204 MSM the rate of knowledge about HIV was 81.4 % ,and 47.9 % of the participants reported consistent condom use with their male sex partners in the last six months,while only 11.1% of the HIV infected MSM used condom and 71.4 % of them had more than two male sex partners in the last six months;5.9 % of partners were infected with HIV,and 18.7 % were infected with syphilis. Conclusion The infection of HIV/syphilis is severe and high risk sexual behaviros were ubiquitous among MSM in Tianjin, and to control local HIV transmission prevention of HIV/STD among MSM should be strengthened.