2009年北京市男男性行为者性行为特征和艾滋病等性传播疾病感染状况

Characteristics of sexual behaviors and infection status of AIDS and other sexually transmitted diseases among men who have sex with men in 2009 in Beijing

目的分析北京市朝阳区男男性接触者（MSM）性行为特征与AIDS等性传播疾病感染情况。方法通过朝阳区MSM中已有的同伴教育员在其主要活动场所挑选10名MSM作为种子，采用滚雪球的方法，选取在朝阳区活动的16岁及以上、近1年有男男性行为的人员1008名进行调查。采用问卷调查MSM的一般情况、性行为特征、安全套使用情况、AIDS知识知晓率和性传播疾病史等。每名调查对象抽取外周静脉血5ml，采用ELISA法进行HIV、梅毒螺旋体的检测并对／／IV阳性样本进行确证试验。采用）（2检验等对数据进行统计学分析。结果1008名MSM年龄多在20～29岁（占66．6％，671／1008），以未婚为主（占79．1％，797／1008），大专及以上文化程度者占43．3％（436名）。同时有男性和女性性伴者占56．2％（566／1008），其中女性临时性伴是一夜情对象或网友或客人的比例为72．2％（226／313）。有男性及女性性伴者每次安全套使用率占29．0％（170／587），低于仅有男性性伴者47．2％（345／731）。能够正确使用安全套的研究对象HIV感染率为3．6％（16／442），从不或偶尔带好安全套的研究对象HIV感染率为8．5％（24／228）。有群交史的研究对象AIDS、淋病和其他性传播疾病（以尖锐湿疣为主）的感染率分别为4．8％（6／124）、10．5％（13／124）和8．9％（11／124），没有群交史的为5．9％（52／884）、1．9％（17／884）和2．3％（20／884）。提供过商业性性服务的研究对象淋病和其他性传播疾病（以尖锐湿疣为主）的感染率分别为7．7％（9／117）和6．8％（8／117），没有提供过商业性性服务的研究对象感染率分别为2．4％（21／891）和2．6％（23／891）。结论MSM人群AIDS感染率高，其性伴种类、身份及安全套使用情况等与性传播疾病感染相关。

Objective To analyze sexual behavior characteristics and sexually transmitted diseases such as AIDS infections in man who have sex with men （MSM） of Beijing Chaoyang district. Methods Through selecting 10 MSM as seed in Chaoyang district of the existing education member companion in its main activity place,using snowball sampling to select 1008 people that 16 years old or above ,nearly a year had sex with male in Chaoyang to conduct an investigation. Questionnaires were used to investigate the general conditions, characteristics of sexual behaviors, condom usage, AIDS knowledge awareness and sexually transmitted diseases history. Each participant was asked to exsanguinated 5 ml peripheral blood for applying ELISA for HIV, syphilis helicoids detection and HIV positive samples confirm test. Using X2 test on the statistical analysis of the data. Results In the 1008 MSM, most of them were with the age of 20 - 29 years old （66. 6%, 671/1008 ）, giving priority to unmarried （ 79. 1%, 797/1008 ）, college degree and above culture during accounted for 43.3% （436/1008） ,56. 2% （566/1008）had both male and female sexual partners ; the rate of temporary sexual partners who were one-night stand objects or friends or guest was 72. 2% （226/313）. The forever condom utilization rate was 29. 0% （170/587）in MSM who had both male and female sexual partners, lower than that who had both male and female sexual partners （47.2% ,345/731）. That the study objects of HIV infection who can use condom correctly rate was 3. 6% （16/442）, and that who never or occasionally used condom rate was 8. 5% （24/228）. AIDS, gonorrhea and other sexually transmitted diseases （to give priority to the acuteness wet wart） infection rates were 4. 8% （6/124） ,10. 5% （13/124） and 8.9% （11/124） in those who had the history of group sex, and that was 5.9% （52/884）,1.9% （17/884） and 2. 3% （20/884） in those who without the history of group sex. The research object＇s gonorrhea and other sexually transmitted diseases （to give priority to the acuteness wet wart） who provided commercial sex service infection rates were 7.7% （9/117）and 6. 8% （8/117）, significantly higher than those who did not provide a commercial sex service object of study subject （2. 4% （21/891） and 2. 6% （23/891））. Conclusion HIV infection is high among MSM population. Types and indentifications of sexual partners, and condom use are associated with HIV and STD infection.