云南省男男性行为人群使用交友程序高危行为及艾滋病/梅毒调查结果分析

  目的  了解男男性行为人群(men who have sex with men，MSM)主要交友程序使用情况，分析其人口学特征、性行为特点及艾滋病和梅毒感染状况，为开展针对性的干预措施提供依据。  方法  通过MSM社区组织发布信息招募MSM调查对象，使用统一的电子问卷进行面对面调查，并采集静脉血液进行艾滋病、梅毒的血清学检测。  结果  共调查4 651名MSM，按主要使用交友程序分为3组:Blued组2 160人(46.44%)，微信组2 113人(45.43%)，QQ组378人(8.13%)。本地居住时间＜3月的比例最高为Blued组(6.9%)，本地居住时间≥12月比例最高为微信组(92.1%)，差异有统计学意义(χ2 =60.326, P < 0.001)。Blued组和微信组艾滋病防治知识知晓率、自我认同性取向为同性恋的比例均高于QQ组(均有P < 0.05)。Blued组最近6个月发生男男群交行为的比例最高(8.1%)，其次是QQ组(6.9%)和微信组(5.3%)(χ2 =13.368，P=0.001)。Blued组、微信组和QQ组艾滋病检出率分别是2.2%、3.0%和3.4%，差异无统计学意义(χ2 =3.546，P=0.170)。Blued组、微信组和QQ组梅毒检出率分别是1.9%，3.7%和2.9%，三组间差异有统计学意义(χ2 =14.017, P=0.001)。  结论  MSM使用不同交友程序在行为学特征上的差异，使其在感染性病的风险上不同，应根据各自的特点，开展针对性的干预措施。

Results analysis of AIDS/Syphilis and high risk behaviors survey among men who have sex with men who use social APPs for dating in Yunnan Province

  Objective  To learn which dating App is most popular among men who have sex with men (MSM), analyze their demography, sexual behavior characteristics, AcquiredImmune Deficiency Syndrome (AIDS) and syphilis infection status, and provide evidence for formulating targeted intervention strategies.  Methods  The recruitment information was released by the MSM community-based organization to recruit participants among MSM. A same electronic questionnaire was used for a face-to-face survey and venous blood was collected for serological test of AIDS and syphilis.  Results  A total of 4 651 participants were involved. Based on the App they used most frequently, participants were divided into three groups. 2 160 (46.44%) were in Blued group, 2 113 (45.43%) in Wechat group and 378 (8.13%) in QQ group. In Blued group, the proportion of participants whose local residence duration was less than 3 months was 6.9% and highest in three groups. In Wechat group, the proportion of participants whose local residence duration was more than 12 months was 92.1%and highest in three groups. The difference was significant (χ2 =60.326, P < 0.001). In Blued and Wechat group, the awareness rate of AIDS prevention knowledge and proportion of self identification as homosexual were higher than QQ group (P < 0.05). In Blued group, the proportions of participants who had group sex in the past six months were 8.1 % (highest), followed by QQ group (6.9%) and Wechat group (5.3%) (χ2 =13.368, P=0.001). The positive rates of AIDS were 2.2% in blued group, 3.0% in wechat group and 3.4% in QQ group. There is no significant difference among the three groups (χ2 =3.546, P=0.17). The positive rates of syphilis were 1.9% in Blued group, 3.7% in Wechat group and 2.9% in QQ group. There were significant differences among the three groups (χ2 =14.017, P=0.001).   Conclusions   MSM who uses different dating APP have different infection risks of sexual transmitted infection. The targeted intervention strategies should be provided for MSM based on different characteristics respectively.