2009年广州市越秀区1596名男男性接触者艾滋病相关危险行为及其影响因素分析

目的通过调查广州市男男性接触人群的行为特征与艾滋病病毒感染者和艾滋病患者(HIV/AIDS)感染状况,分析该人群艾滋病相关高危因素情况,为开展艾滋病干预和防治提供依据。方法分析2009年广州市男性同性性行为(MSM)调查及艾滋病和梅毒检测相关资料。结果 MSM平均年龄27岁,20～30岁占51.64%(818/1584)。首次与MSM平均年龄23岁,>30岁的MSM 81.95%(436/532)已婚,41.72%(567/1359)的MSM最近3个月有多个性伴,只有67.05%(1058/1578)的人最近一次与男性发生性行为时使用安全套;55.16%(844/1530)最近3个月与男性发生性行为时每次都使用安全套;HIV感染率为5.20%(83/1596),梅毒检出率为6.95%(111/1596)。被动肛交者安全套使用率显著低于主动者,主动肛交、即主动又被动、文化程度低是发生多男性性行为的危险因素;被动肛交和开始同性恋时间<5年者为男性无保护肛交行为的危险因素;梅毒感染、文化程度、性角色是HIV感染率高的危险因素,文化程度、多性伴和年龄是梅毒感染的危险因素;梅毒感染、文化程度、性角色是HIV感染率高的危险因素,文化程度、多性伴和年龄是梅毒感染的危险因素。结论广州市MSM艾滋病流行和促成HIV传播的多性伴、男性无保护肛交等高危行为情况较严重,急需开展MSM高危行为的干预。

Analysis of HIV/AIDS related high risk behaviors and influence factors among 1596 men having sex with men in Guangzhou,2009

Objective To understand the prevalence of high risk behaviors and infection status of HIV among men having sex with men（MSM） in Guangzhou and provide scientific evidence for developing effective intervention measure.Methods The analysis was conducted on the data obtaining from anonymous questionnaire survey in MSM and from HIV and syphilis detections among them.Results The average age of MSM surveyed in Guangzhou was 27 years,and half of them（51.64%） were aged 20 to 30 years.The average age when they had the first homosexual activity was 23 years.Among MSM aged30 years,81.95%（436/532） had got married.Totally 41.72%（567/1359） of MSM had multi sexual partners in the latest 3 months,only 67.05%（1058/1578） used condemn in the latest sex with men and 55.16%（844/1530） used condemn in all sex with men in the latest 3 months.The infection rate of HIV was 5.20%（83/1596）,and the infection rate of syphilis was 6.95%（111/1596）.The condemn use rate in MSM with passive anal sex was significantly lower than that in those with active anal sex.Having active anal sex,having both active and passive anal sex and low education level were the risk factors to have homosexual activity with multi partners Having passive anal sex and homosexual experience for less than 5 years were the risk factors to have unprotected anal sex with men.Syphilis infection,education level and role in homosexual activity were the risk factors for HIV infection.Education level,having multi sexual partners and age were the risk factors for syphilis infection.Conclusion The AIDS epidemic is serious and the prevalence of high risk behaviors of having sex with multi partners and unprotected anal sex are high among the MSM in Guangzhou.It is urgent to conduct intervention in MSM to reduce their high risk behaviors.