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目的了解东莞市男男性行为者(MSM)高危行为特征、艾滋病感染情况及其影响因素,为在该人群中开展防控措施提供依据。方法利用2010-2012年东莞市MSM哨点监测数据,对人口学与行为学、艾滋病病毒(HIV)感染水平和影响因素进行分析。结果共调查984人,平均年龄为(30.36±6.71)岁,以20~30岁、未婚、中学学历、省外户籍为主;最近六个月发生过同性、异性性行为比例分别为73.37%和37.5%,同性性行为时坚持使用安全套的比例为35.87%。HIV、梅毒阳性率为14.23%和15.35%。多因素Logistic回归分析显示,梅毒抗体阳性、近一年有性病相关症状、41岁~、酒吧样本和疾控部门监测点样本是HIV感染的影响因素。结论东莞市MSM人群HIV、梅毒感染率高,应加强高年龄段(41岁~)及低档会所MSM的干预工作,防止艾滋病疫情蔓延。
Objective To understand the characteristics of high risk behaviors, HIV infection and its influencing factors in MSM in Dongguan and provide the basis for prevention and control measures in this population. Methods The data of MSM sentinel surveillance in Dongguan City from 2010 to 2012 were used to analyze the demographic and behavioral science, the level of HIV infection and the influencing factors. Results A total of 984 people were surveyed, with an average age of (30.36 ± 6.71) years old, with 20-30 years old, unmarried, middle school education and household registration outside the province. The proportion of homosexual and heterosexual activities in the past six months was 73.37% 37.5%, 35.87% insist on using condoms during same-sex sex. HIV, syphilis positive rates of 14.23% and 15.35%. Multivariate Logistic regression analysis showed that the syphilis antibody was positive, with STD-related symptoms in the past year, 41 years old, bar samples and CDC surveillance sites were the influencing factors of HIV infection. Conclusion MSM in Dongguan City, HIV and syphilis infection rate should be strengthened in high-aged (41 years old) and low-end club MSM intervention to prevent the spread of AIDS epidemic.