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目的:了解江门市男男性行为人群(MSM)HIV和梅毒感染状况及其影响因素,为控制艾滋病性病的蔓延提供科学依据。方法:利用2011-2015年国家级MSM监测哨点的数据资料进行分析。结果:调查的1 916名调查对象中,艾滋病相关知识总体知晓率为90.19%;HIV抗体阳性率为6.73%,梅毒阳性率为4.07%。最近6个月与同性发生肛交性行为时每次都使用安全套的比例为51.93%。多因素Logistic回归分析结果显示,与异性婚姻状况为在婚/同居(OR=1.408,95%CI 1.153~1.720)、最近6个月与同性发生商业性行为(OR=2.458,95%CI 1.266~3.787)、感染梅毒(OR=5.804,95%CI3.196~10.540)是HIV感染的危险因素;吸毒(OR=1.164,95%CI 1.037~3.722)、最近6个月与同性发生肛交性行为(OR=10.753,95%CI 7.958~12.685)是梅毒感染的危险因素,而最近一年非梅毒STD史是梅毒感染的保护性因素(OR=0.239,95%CI 0.090~0.629)。结论:江门市MSM人群HIV和梅毒感染率较高,且梅毒、已婚/同居与同性发生商业性行为可增加HIV感染的风险;吸毒、与同性发生肛交性行为可增加梅毒感染的风险。
Objective: To understand the status of HIV and syphilis infection among men who have sex with men (MSM) and its influencing factors in Jiangmen City, and to provide a scientific basis for controlling the spread of AIDS venereal disease. Methods: The data of sentinel surveillance by national MSM in 2011-2015 were analyzed. Results: Among the 1 916 respondents surveyed, the overall awareness rate of AIDS-related knowledge was 90.19%. The positive rate of HIV antibody was 6.73% and the positive rate of syphilis was 4.07%. In the last 6 months, condom use was 51.93% for every anal intercourse with same-sex people. Multivariate Logistic regression analysis showed that the marital status of heterosexual women was same-sex business (OR = 2.458, 95% CI 1.266 ~ 3.787). Infection with syphilis (OR = 5.804,95% CI3.196 ~ 10.540) was a risk factor for HIV infection. Drug abuse was associated with homosexual anal sex in the past 6 months (OR = 1.164,95% CI 1.037-3.722) OR = 10.753,95% CI 7.958 ~ 12.685) were risk factors for syphilis infection. Non-syphilis STD history was the protective factor of syphilis infection in the recent year (OR = 0.239, 95% CI 0.090-0.629). Conclusions: The prevalence of HIV and syphilis among MSM population in Jiangmen City is high, and syphilis, married / cohabitation and homosexuality may increase the risk of HIV infection. Drug abuse and homosexual anal sex may increase the risk of syphilis infection.