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目的了解常州市男男性行为(MSM)人群中性伴数量的影响因素和性病艾滋病的流行特征。方法采用滚雪球抽样法调查,通过调查问卷收集人口学和行为学信息,并采血进行梅毒和HIV血清学检测。结果共收集350份问卷和血样。近6个月内单性伴和多性伴比分别为52.6%和47.4%。单性伴组和多性伴组的年龄、文化程度、婚姻、居住状况、寻性伴场所、近6个月内与男性肛交行为方面的差异有统计学意义(P<0.05)。与配偶居住和接受过健康服务是多性伴的影响因素。HIV和梅毒的感染率分别是9.1%和10.3%,多性伴组和单性伴组的梅毒和HIV感染率差异无统计学意义(P>0.05)。结论常州MSM多性伴现象较普遍,存在潜在传播HIV和梅毒的风险,应制定有效的艾滋病干预策略,减少MSM性伴数量。
Objective To understand the influencing factors of the number of sexual partners and the epidemiological characteristics of STD / AIDS among men who have sex with men (MSM) in Changzhou. Methods The snowball sampling method was used to collect demographic and behavioral information through questionnaires and blood tests were performed for syphilis and HIV serology. Results A total of 350 questionnaires and blood samples were collected. In the recent 6 months, the proportion of unisexual and polygamous patients was 52.6% and 47.4% respectively. There were significant differences in age, educational level, marital status, living status and sexual partners between men and women with univenary partners and polygamous partners in the past 6 months (P <0.05). Living with spouses and receiving health services is a multi-partner influence. The infection rates of HIV and syphilis were 9.1% and 10.3% respectively. There was no significant difference in syphilis and HIV infection rates between polygamous and uniparental (P> 0.05). CONCLUSION: The phenomenon of MSM polygamy is common in Changzhou. There is a potential risk of transmitting HIV and syphilis. An effective AIDS intervention strategy should be developed to reduce the number of MSM partners.