重庆市男男性行为者网络交友HIV感染情况

目的了解重庆市男男性行为者(MSM) 网络交友状况及人类免疫缺陷病毒(HIV)感染情况，为有效干预MSM HIV感染提供依据。方法对重庆市206名MSM进行结构式访问与问卷调查，对半年内未进行HIV检测者进行实验室筛查，分析MSM人口社会学特征及HIV感染的影响因素。结果206名MSM平均年龄（22.08±1.81）岁，大专及以上文化程度137名（66.50%），HIV感染率为21.36%（44/206）。MSM无固定性伴侣者HIV感染率高于有固定性伴侣者；MSM性伴数量越多，HIV感染风险越大；与不熟悉或陌生的人发生性行为HIV感染率高于与熟悉的性伴；性行为中安全套使用率越高，HIV感染率越低，各组比较，差异均有统计学意义(均P＜0.05)。不同文化程度的MSM安全套使用情况比较，差异有统计学意义(P＜0.05)。结论该市MSM HIV感染率较高，建议加强健康教育宣传、同伴网络教育与行为干预，减少联结MSM网体之间的桥梁人群，建立同性恋社会支持体系，降低MSM HIV感染风险。

HIV infection among men who have sex with men through online dating in Chongqing

ObjectiveTo investigate online dating status and human immunodeficiency virus (HIV) infection among men who have sex with men (MSM) in Chongqing， and provide basis for effective intervention in HIV infection among MSM.Methods206 MSM in Chongqing were performed structured interview and questionnaire survey，MSM who didn’t conduct HIV testing within half a year were performed laboratory screening， sociological population characteristics and influencing factors of HIV in MSM were analyzed. ResultsThe average age of 206 MSM was (22.08±1.81) years old, 137 (66.50%) received college education and above, HIV infection rate was 21.36%（44/206）. HIV infection rate in MSM who had no fixed partners was higher than those who had fixed partners; the more sexual partners they had, the greater the risk of HIV infection they got; HIV infection rate in MSM who had sex with unfamiliar persons or strangers was higher than those who had sex with familiar partners; the higher rate of condom use in sexual behavior, the lower rate of HIV infection was, there were significant differences among the groups(all P＜0.05). Condom use among MSM with different educational levels was significantly different(all P<0.05). ConclusionHIV infection rate in MSM is high in this city, it is necessary to strengthen education about health, network partner, and behavioral intervention, reduce the bridge population connecting MSM network, establish social support system of homosexuality, and reduce the risk of HIV infection in MSM.