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目的了解北京市流动人口艾滋病病毒(HIV)、梅毒、丙型肝炎病毒(HCV)感染率,以及相关高危行为状况。方法对4 187位外省户籍的建筑工人、企业员工及商贸经营人员进行横断面调查,采集血样检测HIV、梅毒及HCV。结果 4 187位外省户籍的被调查者中,HIV、梅毒、HCV感染率分别为0、0.4%、0.6%。流动人口艾滋病知晓率为63.9%。4.3%的流动人口最近一年曾与非商业临时性伴发生性行为,5.6%的男性最近一年曾嫖娼,0.3%的男性最近一年曾与男性发生肛交行为。与男性嫖娼行为相关的因素包括工作类型、年龄、在京居住年限及婚姻状况。结论北京市流动人口存在感染和传播HIV、梅毒和HCV的风险,有必要在流动人口中开展更有针对性的行为干预措施,预防疾病传播扩散。
Objective To understand the prevalence of HIV, syphilis and hepatitis C virus (HCV) among floating population in Beijing and related high-risk behaviors. Methods A cross-sectional survey was conducted on 4 187 construction workers, employees and business operators of household registrations in other provinces. Blood samples were collected for the detection of HIV, syphilis and HCV. Results Among 4 187 respondents from other provinces, the prevalence of HIV, syphilis and HCV were 0, 0.4% and 0.6%, respectively. AIDS awareness of floating population was 63.9%. 4.3% of migrants had had sexual intercourse with non-commercial temporary partners in recent years, 5.6% of them had prostituted in the recent year, and 0.3% of men had had anal intercourse with men in recent years. Factors related to male prostitution include the type of work, age, residence in Beijing and marital status. Conclusions There is a risk of infection and transmission of HIV, syphilis and HCV in the floating population in Beijing. It is necessary to carry out more targeted behavioral interventions in the floating population to prevent the spread of the disease.