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目的了解四川省绵阳市男男性行为者(MSM)寻找性伴场所及不同寻找性伴场所的人口学、相关行为特征和艾滋病病毒(HIV)/梅毒感染现状。方法以辖区内MSM为对象,应用滚雪球抽样法,在固定场所、知情同意下进行调查对象招募及行为学调查和生物学检测。结果合格调查583例,寻找性伴场所酒吧型23.0%、浴室型15.4%、公园型7.5%、网络型43.9%、家庭型10.0%,寻找性伴地方56.0%在当地、31.4%在绵阳城区及郊县、12.7%在成都及其他地区,不同地区差异有统计学意义(均有P<0.01)。不同年龄、文化、婚姻状况寻找性伴场所有差异(均有P<0.05)。寻找性伴场所与社会活动网络、预防服务、性病诊断、吸毒和性行为相关(均有P<0.05),分别以浴室型5.6%有吸毒行为、7.8%近1年诊断过性病、100%近1年接受过预防服务、48.3%在成都及其他方寻找性伴、88.9%近6月有男性肛交,公园型92.5%认识当地MSM朋友数≥10、74.4%在当地寻找性伴、18.6%近6月有异性性行为,酒吧型20.4%近1周男性肛交次数≥3,均为各场所最高。不同场所HIV/梅毒感染率差异无统计学意义(均有P>0.05)。结论四川省绵阳市MSM以当地、网络型寻找性伴为主,县级传统场所相对普遍。不同寻找性伴场所具有不同人口学和性行为特征,应针对性开展行为干预。
Objective To understand the demography, related behavioral characteristics and HIV / syphilis status of MSM seeking partners and different places of seeking partner in Mianyang, Sichuan Province. Methods Taking MSM in the area as the object, the method of snowball sampling was used to survey the subjects and conduct behavioral investigations and biological tests in a fixed place with informed consent. RESULTS: 583 cases were qualified, 23.0% were looking for sexual partners, 15.4% for bath, 7.5% for park, 43.9% for internet, 10.0% for family, 56.0% for local partners, 31.4% for urban areas in Mianyang and In suburban counties, 12.7% in Chengdu and other regions, the differences were statistically significant in different regions (all P <0.01). Different age, culture, marital status to find all the differences between partners (all P <0.05). Sex-finding sites were associated with social activity networks, prevention services, diagnosis of STDs, drug abuse and sexual behavior (both P <0.05), with 5.6% of bathroom-type drug abuse, 7.8% of STDs diagnosed in nearly 1 year, 100% 1 year received preventive services, 48.3% found sexual partners in Chengdu and others, 88.9% had male anal sex in recent June, 92.5% found parks in local MSM friends ≥10, 74.4% found sexual partners locally, 18.6% June heterosexual sex, bar type 20.4% nearly 1 week male anal number ≥ 3, are the highest place. There was no significant difference in HIV / syphilis infection rates in different places (all P> 0.05). Conclusion MSM in Mianyang City, Sichuan Province, is mainly looking for sexual partners with local and network type, and traditional places at county level are relatively common. Different places to find partners with different demographic and sexual characteristics, behavioral interventions should be targeted.