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目的了解深圳市男性双性性行为者(men who have sex with men and women,MSMW)高危行为特征及梅毒/HIV感染情况。方法对2009～2011年深圳市MSM人群监测资料进行统计分析。结果 2009～2011年2943例MSM中,809例(27.49%)最近半年内发生了双性性行为。MSMW人群梅毒感染率为17.80%,HIV感染率为7.05%,梅毒合并HIV感染率为3.83%。与近半年内无双性性行为的MSM人群相比,MSMW人群女性性伴数≥5个的比例较高,男性肛交性伴数≥2个的比例较高,与女性发生性行为时从不使用和偶尔使用安全套比例较高,与男性肛交时每次使用安全套比例较高,与男性口交时从不使用安全套比例较低,梅毒感染率和HIV感染率较低。结论深圳市MSMW人群与女性发生性行为时每次使用安全套比例低,作为艾滋病性病传播桥梁作用的危险不可低估。
Objective To investigate the high-risk behaviors of men who have sex with men and women (MSMW) and the status of syphilis / HIV infection in Shenzhen. Methods The data of MSM in Shenzhen from 2009 to 2011 were analyzed statistically. Results Among 2943 MSM cases from 2009 to 2011, 809 cases (27.49%) had bisexual behavior within the last six months. Syphilis infection rate in MSMW population was 17.80%, HIV infection rate was 7.05%, syphilis infection rate was 3.83%. Compared with the MSM population without bisexual behavior in the past six months, the MSMW population had a higher proportion of female partners with ≥5 and the male population with more than 2 anal sex partners was higher than the MSM with no sexual behavior There was a high proportion of patients who used condoms occasionally, a higher proportion of condom use per sex with men, a lower proportion of people who never used condoms when having oral sex with men, and a lower rate of syphilis and HIV infection. Conclusions The proportion of condom use in MSMW population and female in Shenzhen is low and the risk of being a bridging role of AIDS STD should not be underestimated.