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目的:了解南京市男男性接触人群(MSM)HIV感染的相关危险因素。方法:采用同伴推动抽样法(RDS),对南京市430名MSM进行问卷调查和血清学检测,用RDSAT5.6软件对HIV感染率进行点估计并导出权重系数,用SPSS16.0软件进行单因素和多因素logistic回归分析。结果:单因素logistic回归分析结果显示,年龄大、非南京户口、第一次与男性发生性关系年龄大、无保护性同性性行为、现症梅毒、性病相关症状是HIV感染的危险因素,未婚、文化程度高、第一个性伴为男性、有一定艾滋病相关知识是HIV感染的保护因素。多因素logistic回归分析结果显示,年龄大、户籍为本省其他地区、职业为商业服务或干部、公司职员、现症梅毒为HIV感染的危险因素,月收入高为HIV感染的保护因素。结论:在MSM人群中进行艾滋病干预,重点应降低性病及相关症状的发生,提高艾滋病知识知晓率和安全套使用率。
Objective: To understand the risk factors associated with HIV infection in men who have sex with men (MSM) in Nanjing. Methods: Using peer-driven sampling method (RDS), questionnaires and serological tests were performed on 430 MSM in Nanjing. The RDSAT5.6 software was used to estimate the HIV infection rate and derive the weight coefficient. SPSS16.0 software was used for single factor And multivariate logistic regression analysis. Results: The results of univariate logistic regression analysis showed that the age-related and non-Nanjing household accounts for the first time having sex with men and having no protective homosexual behavior. Symptoms of syphilis and sexually transmitted diseases are the risk factors for HIV infection, unmarried , A high degree of education, the first partner for men, a certain AIDS-related knowledge is a protective factor of HIV infection. Multivariate logistic regression analysis showed that older age and household registration were in other parts of the province, and occupations were commercial services or cadres and staff. Present syphilis was a risk factor for HIV infection, and monthly income was high as a protective factor against HIV infection. Conclusion: HIV / AIDS intervention in MSM population should focus on reducing the incidence of sexually transmitted diseases and related symptoms, and raising awareness of HIV / AIDS and condom use.