| 摘要: |
| 目的：分析某市男男性接触者(MSM)艾滋病高危行为及影响因素，为制定针对性的防制措施提供依据。方法：2006年7～10月间采用“滚雪球”的方式，由经过培训的调查员在知情同意的原则下对某市1 000名MSM艾滋病高危行为及影响因素（年龄、文化程度、自我性取向等）进行面对面的问卷调查，并抽取3 ml静脉血进行HIV及梅毒检测，对上述调查及检测结果进行χ2检验和Logistic回归分析。结果：1 000名MSM年龄15~68岁，平均（27.8±9.1）岁。最近6个月，43.6%有3个及以上同性性伴，53.6%有同性无保护肛交性行为，8.0%有同性商业性行为，24.3%有异性性行为。分析显示：大年龄组发生无保护肛交性行为和异性性行为的比例高，低文化组多性伴和异性性行为比例高，浴室来源组商业性行为和异性性行为比例高，自我性取向为异性恋或未确定组商业性行为比例高。共检出梅毒阳性93例（9.3％），HIV阳性104例（10.4％），其中有18人同时检出梅毒和HIV。分析显示：年龄大（>35岁，OR=3.5, 95％CI 1.7～7.1）、多性伴(2个以上性伴，OR=3.8,95%CI 1.9～7.6)、同性无保护性行为（OR=1.9，95%CI 1.0～3.5）、梅毒感染（OR=2.3,95%CI 1.3～4.1）是感染HIV的危险因素；艾滋病防治知识（OR=0.5,95%CI 0.3～0.7）是感染HIV的保护因素。结论：该地区MSM人群中艾滋病高危行为普遍存在，并存在HIV的局部流行，需针对年龄、文化程度、性取向等不同影响因素开展相应行为干预措施。 |
| 关键词: 男男性接触者 获得性免疫缺陷综合征 危险因素 |
| DOI：10.3724/SP.J.1008.2007.01223 |
| 投稿时间：2007-05-16 |
| 基金项目:第五轮中国全球基金艾滋病项目(CHN-506-G06-H). |
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| High risk behaviors of HIV/AIDS in man man sex and its influencing factors in 1 000 men in a city |
| YANG Xu1,2，YI Dong1*,DING Xian-bin3 |
| (1.Department of Health Statistics, Third Military Medical University, Chongqing 400038, China; 2.Center for Disease Control and Prevention of Shapingba District, Chongqing 400038;3. Chongqing Center for Disease Control and Prevention, Chongqing 400042) |
| Abstract: |
| Objective：To analyze the high risk behaviors of HIV/AIDS and its influencing factors in men who have sex with man (MSM) in a city, so as to provide evidence for the targeted intervention. Methods: Between July 2006 and October 2006, 1000 MSM were sampled by snowball sampling and had a face to face interview by well trained investigators with informed consent. Questions on age, education background, and sex orientation were designated and 3 ml blood samples were obtained for examination of HIV and syphilis. χ2 test and logistic regression analysis were used for statistical analysis. Results: The average age of the 1 000 MSM was 27.8±9.1 years old. In the past 6 months, 43.6% of them had 3 or more male sex partners, 53.6% had unprotected anal intercourse with men, 8.0% had commercial sex with men, and 24.3% had sex with women. Elder subjects had a higher ratio of unprotected anal intercourse and malefemale sex; subjects with lower educational background had more sex partners and malefemale sex. Subjects working in the bathhouse had a higher ratio of commercial sex and malefemale sex. Subjects with a malefemale sex orientation or undetermined sex orientation had a higher ratio of commercial sex. Syphilis was detected in 93(9.3%) subjects and HIV was detected in 104 (10.4%) subjects; among them 18 subjects had both syphilis and HIV. Multivariate logistic regression analysis showed that the aged (OR=3.5, 95％CI 1.77.1), the number of male sex partners (OR=3.8,95%CI 1.97.6), the behavior of unprotected anal intercourse (OR=1.9,95%CI 1.03.5) and the infection of syphilis (OR=2.1,95%CI 1.43.4) were independently associated with the risk of HIV/AIDS prevalence; the knowledge of AIDS was the protective factor of HIV/AIDS prevalence（OR=0.5,95%CI 0.30.7）. Conclusion: High risk behaviors of HIV exist in MSM population in the researched city; there is local epidemic of HIV. Interventions should be given according to age, educational background, sex orientation, etc. |
| Key words: men who have sex with men acquired immunodeficiency syndrome risk factors |
