2353例50岁及以上常住居民艾滋病感染及防控知识调查

Survey on status of HIV infection and prevention knowledge among 2353 residents aged 50 years old and above

目的了解中山市50岁及以上人群艾滋病感染以及其他相关情况。方法采用分层随机抽样方法抽取中山市内50岁及以上常住居民进行问卷调查及HIV、梅毒血清学检测。结果2016年4-7月,共完成有效调查2353人,HIV抗体阳性1人,阳性率为0.04%(1/2353);梅毒抗体阳性54人,阳性率为2.29%(54/2353)。调查对象艾滋病知晓率为53.89%(1268/2353),电视是其获得相关信息的主要途径。最近1年发生过性行为的比例为26.82%(631/2353),最近1次发生性行为时使用安全套的比例为4.50%(106/2353)。最近1年接受过有关预防艾滋病服务的比例为40.33%(949/2353)。多因素Logistic回归分析显示,发生过商业性行为(OR=7.127,95%CI:3.144~16.154)、使用过壮阳药物(OR=5.374,95%CI:2.189~13.914)、接受过安全套宣传和发放或艾滋病咨询与检测(OR=2.202,95%CI:1.211~4.004)以及自我评价有感染风险(OR=3.173,95%CI:1.162~8.667)是促进安全套使用的影响因素。结论目前中山市50岁及以上人群艾滋病流行强度不高,但存在流行传播的潜在风险,优化和改善宣教干预模式将有助于控制疫情蔓延。

Objective To investigate HIV infection rate and other related conditions among residents aged 50 years old and above in Zhongshan City.Methods The residents aged 50 years old and above were recruited by stratified random sampling.And questionnaire survey and serologic test of HIV and syphilis were carried out.Results From April to July in2016,2353 respondent were recruited,HIV infection rate was 0.04%(1/2353),and syphilis infection rate was 2.29%(54/2353).The awareness rate of HIV/AIDS among the respondents was 53.89%(1268/2353),television was the main way to obtain relevant information.The proportion of sexual behavior in the last year was 26.82%(631/2353),and the percentage of condoms used during the last sexual act was 4.50%(106/2353).40.33%(949/2353)of the respondents had received AIDS prevention services in recent year.Multivariate logistic regression analysis showed that commercial sexual behavior(OR=7.127,95%CI:3.144-16.154),Aphrodisiac drugs used(OR=5.374,95%CI:2.189-13.914),having received condom distribution or AIDS counseling and testing(OR=2.202,95%CI:1.211-4.004)and taken self-evaluation of infection risk(OR=3.173,95%CI:1.162-8.667)were the promoting factors that affect the use of condoms.Conclusion The prevalence of AIDS is not high among people aged 50 and above in Zhongshan at present,but potential risk is exist.Optimizing and improving the mode of education intervention is necessary to prevent the epidemic spread.