深圳市男男性行为人群HIV感染分布特征及影响因素

Distribution characteristics and factors associated with HIV infection among MSM in Shenzhen

目的了解深圳市男男性行为人群(Men who have sex with men,MSM)艾滋病病毒(Human immunodeficiency virus,HIV)感染分布特征及其影响因素。方法对2005-2011年深圳市MSM的HIV感染监测资料进行单因素和多因素Logistic回归分析。结果共有5 232人接受了自愿咨询检测,HIV感染率为6.46%,HIV合并梅毒感染率3.56%。多因素Logistic回归分析结果表明,MSM人群感染HIV和年龄、文化程度、性角色及合并梅毒感染有关。年龄≥40岁者感染HIV的危险性是年龄<40岁者的1.508倍;大专及以上文化程度者感染HIV的危险性是高中及以下者的0.703倍;性角色以主动为主者和主动被动两者兼有者感染HIV的危险性分别是被动为主者的0.428倍和0.624倍;合并梅毒感染者感染HIV的危险性是梅毒阴性者的4.887倍。结论 2005-2011年,深圳市MSM人群HIV感染率上升趋势明显,在该人群中开展艾滋病预防控制工作迫在眉睫。

Objective To investigate the distribution characteristics and factors associated with HIV among men who have sex with men （MSM） in Shenzhen. Methods HIV surveillance data from 2005 to 2011 among MSM in Shenzhen were collected and analyzed by univariate and multivariate logistic regression. Results A total of 5 232 MSM were enrolled and received voluntary counseling and testing. The infection rate of HIV was 6.46 % and that of syphilis＆HIV co-infection among them was 3.56 %. The results of multivariate logistic regression analysis showed that HIV infection was significantly associated with age, education level, role in homosexual behavior and syphilis infection. The relative risk of HIV infection for MSM aged older than or equal to 40 years was 1. 508 times higher than that for-those below 40. The relative risk of HIV infection for MSM with college or above education level was 0. 703 times higher than that with education of high school or below. The relative risk of HIV infection for MSM being predominantly inserted partners and both inserted and receptive partners was 0. 428 and 0. 624 times higher than that for those being predominantly receptive partners, respectively. The relative risk of HIV infection for MSM with coinfected syphilis was 4. 887 times higher than that for those with negative syphilis. Conclusion The prevalence rate of HIV infection shows a statistically significant increase from 2005 to 2011 and it is urgent to carry out HIV/ AIDS control and prevention among MSM.