[Status quo and characteristic analysis among MSM-users of the "Internet Plus-based AIDS Comprehensive Prevention Service System" in Guangzhou].

Objective: To analyze the characteristics of the "Interner Plus-based AIDS Comprehensive Prevention Service System" among MSM who frequently using the Internet in Guangzhou. Methods: An online survey was conducted among MSM who were recruited through gay-website portals between August and September, 2018 in Guangzhou, to collect information regarding the use of and attitudes on the "Interner Plus-based AIDS Comprehensive Prevention Service System" . Logistic regression was used to explore the association between the use of Internet intervention tools and related behavioral characteristics. Information on the awareness of AIDS, HIV testing, and condomless anal sex behavior were compared between the core or non-core services users. Results: A total of 777 Internet-based MSM were recruited as participants including 638 men (82.1%) as core service users. MSM were satisfied in using the the "Interner Plus-based AIDS Comprehensive Prevention Service System" while more than 80.0% of the users felt that the tools were helpful in: increasing the HIV awareness, promoting test uptake, and reducing those related risk behavior. Comparing with those who did not use the tools, the users showed higher rates in practising condomless anal intercourse (1.50-1.86 times), commercial sex with men (11.60-21.21 times), and unprotected vaginal intercourse (13.62-20.67 times), in the last 6 months. Proportions of core service users appeared as: [96.6% vs. 74.8%, aOR (95%CI): 8.80 (4.85-15.97)] on HIV testing, [56.4% vs. 22.3%, aOR (95%CI): 4.54 (2.94-7.02)] on regular HIV testing and [86.2% vs. 80.6%, aOR (95%CI): 1.75 (1.06-2.89)] on awareness of HIV knowledge respectively, which were all significantly higher than the non-core service users. Conclusions: The frequent Internet using MSM in Guangzhou claimed to have had high acceptance and satisfaction on the local Internet HIV intervention service tools. The "Internet Plus-based AIDS Comprehensive Prevention Service System" had effectively reached the high-risk subgroups of MSM, increasing the awareness on related risk and promoting testing on HIV.目的： 分析广州市互联网型MSM对"互联网+"艾滋病综合预防服务体系（互联网干预工具）的评价及其使用者的行为特征，为推广互联网干预服务提供参考依据。 方法： 采用横断面调查研究方法，在2018年8－9月通过互联网招募MSM，问卷调查收集研究对象对互联网干预工具的评价及使用情况。采用logistic回归分析互联网干预服务工具使用者行为特征的关联情况、互联网干预服务核心用户与非核心用户行为特征的差异。 结果： 共纳入互联网型MSM 777人，互联网干预工具的核心用户638人（占82.1%）。MSM对互联网干预工具的满意度高，超过80.0%使用者认为互联网干预工具对了解艾滋病知识、养成HIV检测习惯、减少危险行为均有帮助。与未使用者相比，互联网干预工具使用者最近6个月发生无保护肛交的风险高1.50~1.86倍；发生过男男商业性行为的风险高11.60~21.21倍；发生无保护阴道交的风险高13.62~20.67倍。互联网干预工具的核心用户与非核心用户相比较，做过HIV检测的比例为96.6%比74.8%（aOR=8.80，95%CI：4.85~15.97），定期做HIV检测的比例为56.4%比22.3%（aOR=4.54，95%CI：2.94~7.02），艾滋病知识知晓率为86.2%比80.6%（aOR=1.75，95%CI：1.06~2.89）。 结论： 广州市互联网型MSM对互联网干预工具的接受度较高，满意度较好。互联网干预工具可针对互联网型MSM中存在高危行为者，提高其对HIV风险认知和促进HIV检测。.