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目的了解男男同性性行为人群(man who have sex with man,MSM)戊型肝炎病毒(hepatitis E virus,HEV)感染情况,并分析MSM高危行为方式与HEV感染之间的关系,为开展有针对性的开展健康教育和行为干预提供依据。方法采用统一设计的调查问卷进行调查,问卷内容包括基本人口学特征、性行为特征及安全套使用情况,用酶联免疫吸附法(enzyme-linked immunosorbent assay,ELISA)检测HEV抗体,采用Logistic回归分析戊型肝炎感染的危险因素。结果参与调查的63名MSM对象中,14名抗HEV-IgG阳性,阳性率为22.2%。多因素分析显示,近6个月内发生肛交性行为(OR=11.924,95%CI:1.783～79.730)、男男同性恋(OR=7.401,95%CI:1.231～44.481)、职业为工人和农民(OR=8.131,95%CI=1.383～47.813)是HEV感染的危险因素。结论 MSM人群的高危性行为可能是戊型肝炎传播的危险因素。
Objective To understand the infection status of hepatitis E virus (HEV) in men who have sex with man (MSM) and to analyze the relationship between high risk behaviors of MSM and HEV infection. Sex to carry out health education and behavior intervention to provide the basis. Methods The survey was conducted by using a unified design questionnaire. The questionnaire included basic demographic characteristics, sexual behavior characteristics and condom use. HEV antibody was detected by enzyme-linked immunosorbent assay (ELISA) Hepatitis B infection risk factors. Results Of the 63 MSM subjects surveyed, 14 were positive for anti-HEV-IgG and the positive rate was 22.2%. Multivariate analysis showed that anal sex occurred in the past 6 months (OR = 11.924,95% CI: 1.783 to 79.730), male and lesbian (OR = 7.401, 95% CI: 1.231 to 44.481), occupations as workers and peasants (OR = 8.131, 95% CI = 1.383 ~ 47.813) was a risk factor for HEV infection. Conclusions The high-risk behaviors of MSM population may be the risk factors of hepatitis E transmission.