白银市2009—2016年男男性行为人群艾滋病监测结果分析

Analysis on surveillance results of HIV status among MSM in Baiyin,2009-2016

目的分析白银市2009-2016年男男性行为人群(MSM)艾滋病哨点监测数据,进一步掌握该人群的艾滋病防治知识、性行为特点及HIV感染状况,为制定艾滋病防治策略和有效的干预模式提供依据。方法收集分析白银市2009-2016年MSM艾滋病哨点监测数据,采用统一设计的调查问卷,采集调查对象血液标本检测HIV抗体和梅毒。结果白银市2009-2016年共监测男男性行为者1 657名,以20~29岁未婚、高中或中专文化者为主。艾滋病防治基本知识知晓率呈逐步提高趋势(χ^2=26.15,P<0.05)。最近6个月与同性发生性行为的比例呈下降趋势(χ^2=16.74,P<0.05),坚持每次使用安全套的比例呈上升趋势(χ^2=45.01,P<0.05)。HIV抗体阳性率和梅毒感染率分别为2.9%、4.47%,各年差异无统计学意义(χ^2值分别为4.17、4.79,P值均>0.05)。结论白银市MSM艾滋病相关知识的知晓程度、坚持使用安全套的比例较低,有感染HIV、梅毒和进一步扩大传播的危险,应积极采取有效的干预措施。

Objective To analyze data of AIDS sentinel surveillance which men who have sex with men(MSM) in Baiyin from 2009 to 2016,grasp the AIDS prevention knowledge,sexual behavior characteristics and HIV infection status,provide evidence for formulating AIDS prevention strategies and intervention models.Methods The data from HIV sentinel surveillance among MSM were collected and analyzed during 2009 and 2016 in Baiyin,MSM were investigated by unified-design questionnaires and blood specimens were collected for HIV and syphilis testing.Results In Baiyin,the total number of 1 657 MSM were monitored from 2009 to 2016,mainly those aged 20-29 years old,unmarried,high school or technical secondary school educated.AIDS prevention and treatment of basic knowledge awareness rate gradually increased(χ^2trend=26.15,P<0.05).In the last 6 months,the proportion of homosexual anal intercourse decreased over the past eight years(χ^2trend=16.74,P<0.05),but condoms usage rose year by year(χ^2trend=45.01,P<0.05).HIV antibody positive rate was 2.9%,the difference was not statically significant(χ^2=4.17,P>0.05),and syphilis infection rate was 4.47%,and the difference was also not statically significant(χ^2=4.79,P>0.05).Conclusions The rates of HIV/AIDS related knowledge and the condom using rate among MSM in Baiyin are low.The risk of HIV and syphilis infection exists and it may spread further.We should take the appropriate measures to intervene effectively among MSM.