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目的了解在校大学生男男性行为人群(MSM)HIV感染风险自我认识及其影响因素,为控制大学生群体的HIV感染风险提供参考。方法 2011年11月至2012年1月间,利用工作组网站、QQ群、大学生志愿者、同伴介绍等方式,在北京和天津市37所高校采取滚雪球的方法招募调查对象,对其进行HIV抗体自愿咨询检测和问卷调查。利用单因素和多因素Logistic回归模型分析大学生MSM人群自认HIV感染风险的潜在影响因素。结果 200名大学生MSM参与调查,其中77.5%性取向为同性恋,20.0%认为自己是双性恋,2.5%不确定自己的性取向。入大学后与男性性伴同居者占16%;艾滋病知识100%知晓率为80%,性传播感染知识100%知晓率为7.5%。1.0%的调查对象自认感染HIV风险很高,38.0%认为一般,52.5%自觉危险较小,8.5%认为完全没有风险。在多因素Logistic回归模型中,与自认感染HIV风险较小或无风险有统计学意义的因素包括性取向(OR=2.99,95%CI=1.43~6.14)、曾有酒后性行为(OR=0.16,95%CI=0.05~0.48)、通过互联网认识性伴(OR=2.96,95%CI=1.45~6.14)、近1年饮酒(OR=3.25,95%CI=1.41~7.52)、喜欢与年长的同性发生性行为(OR=3.09,95%CI=1.43~6.66)、近6个月与同性临时性伴发生口交(OR=0.25,95%CI=0.08~0.78)和曾被确诊感染性病(OR=0.21,95%CI=0.07~0.58)。结论大学生MSM人群性病艾滋病知识知晓率偏低,对HIV感染风险的认识存在一些误区。应加强该人群性病艾滋病的健康教育,提高风险意识和自我防护能力。
Objective To understand the HIV infection risk self-awareness and its influencing factors in MSM among college students and to provide reference for controlling the HIV infection risk of college students. Methods From November 2011 to January 2012, the snowballs were recruited from 37 colleges and universities in Beijing and Tianjin using methods such as team website, QQ group, college student volunteers, Voluntary counseling and testing and questionnaires. Univariate and multivariate logistic regression models were used to analyze the potential risk factors for self-identified HIV infection among college MSM population. Results Two hundred college students participated in the survey. 77.5% of them were gay, 20.0% considered bisexual and 2.5% were unsure of their sexual orientation. After entering college, 16% of them live with male partners, 100% of AIDS patients have 80% awareness, and 100% of people with STIs have a 7.5% awareness rate. 1.0% of respondents considered themselves as highly at risk of HIV infection, 38.0% considered that, in general, 52.5% were less consciously aware of the risk and 8.5% said they were completely at risk. In the multivariate logistic regression model, statistically significant factors associated with less or no risk of HIV infection included sexual orientation (OR = 2.99, 95% CI = 1.43 to 6.14), alcoholism = 0.16, 95% CI = 0.05-0.48). The cognition of sexual partners over the Internet (OR = 2.96,95% CI = 1.45 ~ 6.14) and drinking in the past year (OR = 3.25,95% CI = 1.41 ~ 7.52) (OR = 3.09, 95% CI = 1.43-6.66), oral sex with same-sex temporary partners (OR = 0.25, 95% CI = 0.08-0.78) and those who had been diagnosed Infectious disease (OR = 0.21, 95% CI = 0.07-0.58). Conclusion There is a low awareness rate of STD / AIDS knowledge among college students with MSM. There are some misunderstandings about the risk of HIV infection. Health education should be strengthened for STD / AIDS in this group, and risk awareness and self-protection should be improved.