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目的了解深圳市男男性行为人群(MSM)的梅毒感染状况及影响因素。方法整理深圳市MSM的梅毒监测资料,并进行单因素和多因素Logistic回归分析。结果共2 943名MSM接受自愿咨询检测,梅毒感染率为20.76%,梅毒合并HIV感染率为4.38%。多因素Logistic回归分析结果显示,MSM感染梅毒与职业、性角色、半年内女性性伴数、半年内肛交性伴数、合并感染HIV有关。职业为无业/待业与工人者,感染梅毒的风险分别是职员的1.675倍和1.766倍。性角色以主动被动两者兼有者,感染梅毒的风险是主动者的1.450倍。半年内女性性伴数为1个和≥2个者,感染梅毒的风险分别是无女性性伴者的0.873倍和0.589倍;半年内肛交性伴数为2~4个和≥5个者,感染梅毒的风险分别是≤1个者的1.353倍和1.839倍;HIV感染者合并梅毒感染的风险是HIV阴性者的4.991倍。结论深圳市MSM梅毒影响因素复杂,应有针对性地开展预防控制工作。
Objective To understand the status and influencing factors of syphilis infection among MSM in Shenzhen. Methods The syphilis surveillance data of MSM in Shenzhen were collected and analyzed by single factor and multivariate Logistic regression. Results A total of 2 943 MSM patients received voluntary counseling and testing. The syphilis infection rate was 20.76% and syphilis infection rate was 4.38%. Multivariate logistic regression analysis showed that syphilis infection with MSM was associated with occupational and sexual roles, number of female partners within six months, number of anal sex partners within six months, and co-infection with HIV. Occupationally unemployed / unemployed and workers, the risk of syphilis infection were 1.675 times and 1.766 times the staff. Sexual roles take the initiative to pass both, and the risk of contracting syphilis is 1.450 times that of the active person. The number of female sexual partners in one year and one or two were within half a year. The risk of syphilis infection was 0.873 times and 0.589 times than those without female sexual partners respectively. In the first 6 months, the number of anal sexual partners was 2 to 4 and ≥5, The risk of contracting syphilis is 1.353 times and 1.839 times that of ≤1 respectively. The risk of syphilis infection in HIV-infected persons is 4.991 times of HIV-negative ones. Conclusion The influencing factors of syphilis in MSM in Shenzhen are complex, and prevention and control should be carried out in a targeted manner.