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目的了解昆明市男男性行为人群(MSM)双性恋/同性恋不同高危性行为情况,为针对性的行为干预提供有效依据。方法利用滚雪球抽样,招募MSM人群为样本,对其进行一对一面对面的匿名问卷调查,并抽取静脉血进行HIV和梅毒检测。结果共调查557人,同性恋占67.1%(374/557),双性恋占32.9%(186/557),同性恋HIV和梅毒感染率分别为12.8%和3.7%,双性恋HIV和梅毒感染率分别为7.7%和2.2%(P>0.05);MSM中双性恋者较同性恋者在本地居住时间>1年,大专及以上学历,通过互联网寻找性伴,首次性行为性伴为同性,首次同性性行为年龄及最近一次肛交性行为安全套使用率低(P<0.05),而在最近6个月异性性行为,在婚比例较同性恋高,性角色中双性恋主要为“1”号角色,而同性恋以“0”号为主(P<0.01)。两者的新型毒品(rush)使用率均超过13%。结论同性恋与双性恋在性行为习惯上存在差异,同性恋更易更早的发生同性肛交性行为,双性恋较同性恋更易发生异性性行为,应加大同性恋者行为干预,尤其是网络宣传干预,加强双性恋者的安全套推广教育。此外进一步关注新型毒品使用以及心理因素对MSM人群感染艾滋病的影响。
Objective To understand the different high-risk sexual behaviors of bisexual / homosexual men who have sex with men who have sex with men (MSM) in Kunming and to provide valid evidence for targeted behavioral interventions. Methods Using snowball sampling, recruiting MSM population as a sample, conducting face-to-face face-to-face anonymous questionnaire surveys and taking venous blood for HIV and syphilis testing. Results A total of 557 people were surveyed, 67.1% (374/557) were homosexual, 32.9% (186/557) were bisexual, homosexual HIV and syphilis were 12.8% and 3.7% respectively, and the prevalence of bisexual HIV and syphilis Were 7.7% and 2.2% respectively (P> 0.05). In MSM, bisexuals lived longer than one year in Hong Kong for homosexuals, with a college degree or above, searching for partners through the internet, having same-sex partners for the first time, Same-sex sexual behavior and the rate of condom use in the last anal sex was low (P <0.05). In the last 6 months, heterosexual behavior was higher in homosexual men than in homosexual men. Sexual bisexuality was mainly “1” Number, while homosexuality is dominated by “0” (P <0.01). Both use new rush rates of over 13%. Conclusion Homosexuality differs from bisexuality in homosexuality. Homosexuality is more likely to cause same-sex anal sex more easily and earlier than homosexuality. Homosexuals are more likely to experience heterosexual behaviors. Strengthen bisexual condom promotion education. In addition, further attention is paid to the impact of new drug use and psychological factors on the AIDS-related MSM population.