同性交友方式对男男性行为人群高危性行为及感染HIV的相关影响  

Relations between high risk sexual behavior and HIV infection among men who have sex with men in ways of meeting male partners

作　　者：洪航[1] 史宏博[1] 姜海波[1] 顾晓敏[1] 孙富艳 董红军[1] Hong Hang;Shi Hongbo;Jiang Haibo;Gu Xiaomin;Sun Fuyan;Dong Hongjun(Institute for AIDS/STD Control and Prevention,Ningbo Municipal Center for Disease Control and Prevention,Ningbo 315010,China;Department of Acute Infectious Disease,Hwa Mei Hospital University of Chinese Academy of Science,Ningbo 315010,China)

机构地区：[1]宁波市疾病预防控制中心性病艾滋病防制所,315010 [2]中国科学院大学宁波华美医院急性感染科,宁波315010

出　　处：《中华流行病学杂志》2019年第12期1612-1617,共6页Chinese Journal of Epidemiology

基　　金：浙江省医药卫生科技计划(2018KY734);宁波市医学科技计划(2018A20);宁波市自然科学基金(2016A610134);浙江省医学重点学科(07-013);宁波市市级医疗卫生品牌学科(PPXK2018-10)。

摘　　要：目的了解同性交友方式对MSM的高危性行为及HIV感染的相关影响。方法采用横断面调查方法,2018年4-11月在宁波市采用滚雪球的非概率抽样法招募MSM,收集其人口学特征、交友方式、同性社交软件使用、高危性行为发生情况等相关信息,研究对象均需进行HIV抗体检测。分类资料采用χ2检验,采用多因素logistic回归分析MSM的HIV感染相关因素。结果共调查MSM 735人,同性社交软件交友者、QQ或微信交友者和场所交友者分别为447人(60.8%)、237人(32.3%)和51人(6.9%)。同性社交软件交友者最近6个月性行为次数≥1次/周和发生多性伴的分别有75人(16.8%)和187人(41.8%);最近1次和最近6个月发生无保护肛交行为的分别有54人(12.1%)和234人(52.3%);HIV感染率为12.1%(54/447)。感染时间<2年的HIV/AIDS中,同性社交软件使用时间<2年的比例为68.6%(24/35)。多因素logistic回归分析结果显示,与QQ或微信交友者比较,同性社交软件交友者更易感染HIV(OR=3.03,95%CI:1.30~7.07)。结论宁波市MSM中,同性社交软件交友者比例较高,存在较高危险性行为和HIV感染风险。应针对同性社交软件交友者加强监测和干预。Objective To understand the relations between high risk sexual behavior and HIV infection among MSM in ways of finding male partners in Ningbo.Methods A cross-sectional study was conducted in Ningbo between April and November in 2018.Data related to socio-demographics,ways of finding male partners,adoption of gay apps and sexual behaviors were collected by snowball method.Blood samples were drawn for HIV antibody testing.Classified data was evaluated by chi-square test.Related factors on HIV infection were analyzed by multivariate logistic regression.Results A total of 735 participants were included in this study.Ways of finding male partners would through gay apps(60.8%,447/735),QQ/Wechat(32.3%,237/735)and gay-places(6.9%,51/735).Related information on high risk sexual behavior and HIV infection among gay apps users were found as:16.8%(75)had sexual behavior once per week in the past 6 months,41.8%(187/447)had multiple sexual partners,12.1%(54/447)had unprotected anal intercourse in the last time,52.3%(234/447)having had unprotected anal intercourse in the past 6 months.The overall HIV prevalence rate was 12.1%(54/447).Among the HIV cases who got infected within the two years,68.6%(24/35)of them had used gay apps for less than two years.Results from the,multivariate logistic regression analysis showed that gay apps users were more susceptible to infected HIV than those who used the QQ/Wechat(OR=3.03,95%CI:1.30-7.07).Conclusions Gay apps was popularly known among the Ningbo MSM,and was associated with the high risk sexual behaviors and HIV infection.HIV control and prevention programs should be strengthened in the MSM population who used the gay apps.Related surveillance and intervention programs for MSM,who use the gay apps,need to be further reinforced.

关 键 词：艾滋病病毒 男男性行为人群 交友软件 相关因素 

分 类 号：R51[医药卫生—内科学]