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目的评价男男性接触(men who have sex with men,MSM)人群艾滋病综合干预效果,为预防控制艾滋病提供科学依据。方法通过滚雪球的方式招募男男性接触者,开展行为干预和面对面的问卷调查,并进行HIV、HCV和梅毒抗体检测,对干预前后的知晓率、高危行为发生率等进行比较以评价效果。结果共开展三轮调查(基线调查、中期评估和期终评估),三次调查中,被调查对象的人口学特征基本一致。按照《中国艾滋病防治督导与评估框架(试行)》的标准,MSM人群的艾滋病知识知晓率从88.8%提高到92.9%,差异无统计学意义(P=0.5);按UNGASS指标,MSM人群的知晓率从43.9%提高到59.7%,差异有统计学意义(P<0.05)。最近一次与男性发生肛交时使用安全套的比率从71.7%增加到76.6%,差异具有统计学意义(P<0.05)。结论通过一年的综合干预,MSM人群安全性行为意识、获取预防服务的比例均有了提高,但仍需长期干预。
Objective To evaluate the effect of AIDS comprehensive intervention among men who have sex with men (MSM) and provide a scientific basis for the prevention and control of AIDS. Methods Male MSM was recruited by means of snowballing, behavioral interventions and face-to-face questionnaires were conducted. HIV, HCV and syphilis antibodies were detected. The awareness of pre-and post-intervention awareness and the incidence of high-risk behaviors were compared to evaluate the effect. Results A total of three rounds of investigation (baseline survey, mid-term assessment and end-of-year assessment) were conducted. Among the three surveys, the demographic characteristics of the respondents were basically the same. According to the “Guidelines for HIV / AIDS Prevention and Control in China (Trial)”, the awareness rate of HIV / AIDS among MSM population increased from 88.8% to 92.9%, with no significant difference (P = 0.5). According to the UNGASS indicator, the awareness of MSM population The rate was increased from 43.9% to 59.7%, the difference was statistically significant (P <0.05). The rate of condom use on recent anal intercourse with men increased from 71.7% to 76.6% with a statistically significant difference (P <0.05). Conclusion Through a year of comprehensive intervention, awareness of safety behaviors among MSM population and access to preventive services have increased, but long-term intervention is still needed.