长沙市男男性行为者HIV和梅毒感染现状及影响因素分析

Prevalence of HIV and syphilis and their associated factors among men who have sex with men in Changsha

目的了解长沙地区男男性行为者(MSM)艾滋病病毒(HIV)和梅毒感染状况及其影响因素。方法2018年10月至2019年6月期间,委托非政府组织(NGOs)应用滚雪球的方法招募MSM,开展问卷调查和HIV及梅毒检测。采用多因素Logistic回归模型分析HIV和梅毒感染的影响因素。结果共招募1220名MSM,其中HIV感染91人,感染率为7.46%,梅毒感染76人,感染率为6.23%,现症感染50人。多因素分析结果显示:已婚、近一个月性行为时安全套使用频率低及存在梅毒感染的MSM更可能感染HIV(P均<0.05);年龄越大、近一年未接受过梅毒检测、近一个月性行为时安全套使用频率低及存在HIV感染的MSM更可能感染梅毒(P均<0.05)。结论已婚和年龄较大的MSM仍是重点干预对象,有效促进安全套的使用和扩大MSM中梅毒筛查应持续成为MSM性病艾滋病防治的重要工作。

Objective To investigate the prevalence of human immunodeficiency virus(HIV)and syphilis and their associated factors among men who have sex with men(MSM)in Changsha.Methods From October 2018 to June 2019,two non-governmental organizations(NGOs)were commissioned to recruit MSM by snowball sampling method,conducting questionnaire survey,and HIV and syphilis tests.Multivariate Logistic regression model was used to analyze associated factors of HIV and syphilis infection.Results The prevalence of HIV and syphilis were 7.46%and 6.23%among 1220 MSM,respectively.MSM who were married,with a low frequency of condom use in sexual intercourse in the last month,and infected with syphilis were susceptible to HIV infection(all P<0.05).MSM who were older,did not have an syphilis test in the past year,with a low frequency of condom use in sexual intercourse in the last month,and infected with HIV were susceptible to syphilis infection(all P<0.05).Conclusions MSM who are married and older are still the focus of intervention.Effective promotion of condom use and expansion of syphilis screening in MSM should be prioritized in the prevention of HIV and syphilis among MSM group.