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目的了解四川省某些地区女性性工作者(FSW)梅毒感染状况,为制定预防控制策略措施提供科学依据。方法 2009-2011年每年均采用两阶段分层抽样法在四川省16个项目区县的不同场所抽取FSW共4 266名,采用面对面问卷调查并进行梅毒血清学监测。结果 2009-2011年梅毒感染率依次为1.4%(20/1462)、6.8%(120/1756)、9.1%(95/1 048),差异具有统计学意义(χ2=79.54,P<0.01)。低档场所FSW2009-2011年梅毒感染率依次为1.05%、9.18%和12.16%。初次商业性行为年龄35岁以上FSW人群梅毒感染率增幅大,3年检出率依次为3.03%,19.77%和26.97%。多因素logistic回归结果显示,梅毒感染影响因素为从业时间长(OR=1.287,95%CI=1.112~1.489),近1个月未坚持使用安全套(OR=1.321,95%CI=1.014~1.721),近1个月接受干预项目多(OR=0.856,95%CI=0.734~0.988)。结论梅毒感染率在2009-2011年呈上升趋势,应采取有效的预防控制措施,控制梅毒的传播和蔓延。
Objective To understand the status of syphilis infection among female sex workers (FSW) in some areas of Sichuan Province, and to provide a scientific basis for the formulation of preventive and control strategies and measures. Methods A total of 4 266 FSWs were collected from different sites in 16 project districts and counties in Sichuan Province using the two-stage stratified sampling method from 2009 to 2011. Face-to-face questionnaires and syphilis serological surveillance were conducted. Results The rates of syphilis infection in 2009-2011 were 1.4% (20/1462), 6.8% (120/1756) and 9.1% (95/1 048), respectively. The difference was statistically significant (χ2 = 79.54, P <0.01). The low-grade FSW2009-2011 average of 1.05%, 9.18% and 12.16% respectively. The prevalence of syphilis increased significantly in the first commercial sex workers over the age of 35, with the detection rates of 3.03%, 19.77% and 26.97% in three years respectively. Multivariate logistic regression analysis showed that the influencing factors of syphilis infection were long-term employment (OR = 1.287, 95% CI = 1.112-1.489), condom use in the past 1 month (OR = 1.321, 95% CI 1.014-1.721) , And received more interventions in the past month (OR = 0.856, 95% CI = 0.734-0.988). Conclusion The infection rate of syphilis is on the rise in 2009-2011. Effective prevention and control measures should be taken to control the spread and spread of syphilis.