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目的探讨浙江省湖州市通过互联网招募的男男性行为人群(MSM)人类免疫缺陷病毒(HIV)的新发感染状况,同时分析队列保持的相关影响因素,为MSM艾滋病预防策略和措施的制订和调整提供科学依据。方法利用互联网QQ群招募研究对象,在基线调查后的6个月对MSM进行一次随访,随访的内容包括流行病学问卷调查和HIV抗体检测。结果随访时,MSM人群HIV新发感染率为8.6/100人年(95%CI:0~3.3),梅毒新发感染率为6.8/100人年(95%CI:5.9~11.3);多元logistic回归分析结果表明,在本地居住2年以上(RR=2.97,95%CI:1.68~5.25)、纯同性恋(RR=3.02,95%CI:1.73~5.26)、有固定的同性性伴(RR=2.12,95%CI:1.22~3.68)、与异性发生过性行为(RR=1.96,95%CI:1.05~3.69)、既往检测过艾滋病(RR=1.90,95%CI:1.09~3.30)是MSM 6个月队列保持的独立影响因素。结论湖州市通过互联网招募的MSM人群HIV新发感染率和队列保持率较高,在本地居住2年以上、纯同性恋、有固定的同性性伴、与异性发生过性行为、既往检测过艾滋病是MSM队列保持的影响因素。
Objective To explore the new infection status of human immunodeficiency virus (HIV) among men who have sex with men (MSM) recruited through Internet in Huzhou, Zhejiang Province, and to analyze the related factors of cohort maintenance so as to formulate and adjust AIDS prevention strategies and measures for MSM Provide a scientific basis. METHODS: Patients were enrolled using the Internet QQ cohort. MSMs were followed up for 6 months after the baseline survey. The follow-up included epidemiological questionnaires and HIV antibody testing. Results At the follow-up, the new HIV infection rate was 8.6 / 100 years (95% CI: 0-3.3) in MSM population and 6.8 / 100 years (95% CI: 5.9-11.3) The results of regression analysis showed that there were fixed homosexual partners (RR = 2.97, 95% CI: 1.68-5.25), homosexuality (RR = 3.02, 95% CI: 1.73-5.26) (RR = 1.96, 95% CI: 1.05-3.69), previous HIV test (RR = 1.90, 95% CI: 1.09-3.30) were the risk factors of MSM (2.12,95% CI: 1.22-3.68) Independent factors of 6-month cohort maintenance. Conclusions HIV prevalence rate and cohort retention rates in MSM population recruited through the Internet in Huzhou City are relatively high. They live more than two years in Hong Kong, have homosexuality, have same-sex sexual partners, have sex with heterosexuals, and have tested AIDS Factors affecting MSM queue retention.