上海男男性行为者对知情交友防艾策略的知晓情况及其影响因素研究

目的 了解上海男男性行为者(men who have sex with men, MSM)对知情交友的知晓率及其影响因素,为在上海MSM人群中推广普及知情交友的必要性提供依据。方法 采取横断面调查方法,对在上海市疾病预防控制中心进行HIV咨询检测的MSM开展问卷调查,问卷包括人口学特征、知情交友知晓度及其影响因素等信息。结果 共调查542名此前未被确诊为HIV感染者的MSM,知情交友知晓率为37.45%,外地户籍(OR=1.604, 95%CI:1.085~2.372)、已婚有配偶(OR=2.182, 95%CI:1.187~4.011)、知晓暴露前预防(OR=1.798, 95%CI:1.173~2.755)是MSM知晓知情交友的促进因素,而HIV检测无规律是MSM知晓知情交友的负面影响因素(OR=0.492, 95%CI:0.315~0.767)。大部分MSM经朋友交流和自我摸索途径发现了知情交友策略,而经HIV检测机构和MSM社会组织了解到知情交友的比例较低。结论 上海MSM知情交友知晓率较低,而知晓暴露前预防、定期检测HIV的MSM知晓知情交友的比例更高,提示有必要在上海MSM人群中开展包括知情交友在内的HIV新兴预防措施的综合宣传教育,提高知情交友知晓水平,促进HIV规律检测。

Awareness and influencing factors of HIV serosorting strategy among MSM in Shanghai

Objective To understand the awareness rate of serosorting and its influencing factors among men who have sex with men (MSM) in Shanghai, and to provide evidence for necessity of serosorting generalization among MSM in Shanghai. Methods A cross-sectional survey was conducted among MSM who sought for counsel service and HIV test in Shanghai Municipal Center for Disease Control and Prevention by a questionnaire including socio-demographic characteristics, serosorting awareness and its influencing factors. Results A total of 542 MSM who had not been previously diagnosed with HIV positive were surveyed, and the awareness rate of serosorting was 37.45%. Non-local census register (OR=1.604, 95%CI:1.085-2.372), the married with a spouse (OR=2.182, 95%CI:1.187-4.011) andpre-exposure prophylaxis awareness (OR=1.798, 95%CI:1.173-2.755) were promoting factors for serosorting awareness of MSM, whereas irregular test for HIV was an obstructive factor for serosorting awareness of MSM (OR=0.492, 95%CI:0.315-0.767). Most MSM knew about HIV serosorting strategy through communication with friends or their own sexual experience, while a fraction of MSM learned it from propaganda carried out by HIV testing institutions or MSM social organizations. Conclusion The awareness rate of serosorting was relatively low among MSM in Shanghai, but the proportion ofawareness of serosorting among MSM who knew about pre-exposure prophylaxis or regular test for HIV was relatively higher. The results suggest that it is necessary to launch a comprehensive propaganda and education about HIV emerging prevention strategies including serosorting among MSM in Shanghai so as to improve awareness of serosorting and promote regular HIV testing.