云南省德宏州外籍暗娼艾滋病感染及其影响因素

目的了解云南省德宏州外籍暗娼艾滋病病毒（HIV）感染及相关因素状况。方法运用普查方法，对德宏州3个边境县（市）全部暗娼活动场所的外籍暗娼进行调查。匿名问卷调查收集社会人口学、艾滋病防治服务及高危行为等信息，并抽取5毫升静脉血进行HIV抗体血清学检测。结果共有238名外籍暗娼接受调查，HIV感染率为4.2％。34.5％最近1个月与客人发生性行为时未坚持使用安全套。多因素非条件Logistic回归分析结果显示，23～26岁感染HIV风险是≤22岁的10.8倍，最近1次与客人发生性行为时未使用安全套者感染HIV风险是使用者的7.8倍；未使用安全套的危险因素有艾滋病知识不知晓[比值比（OR）=4.4，95％可信区间（CD：1.9～10.2]，年龄〉26岁（OR=2.4，95％CI：1.0～5.7），以及在当地工作≥6个月（OR=2.8，95％CI：l.6～5.1）。结论德宏州外籍暗娼HIV感染率高，安全套坚持使用率不高，迫切需要加大艾滋病预防干预覆盖面及干预力度。

HIV prevalence and AIDS-related risk factors among foreign female sex workers in Dehong,Yunnan Province

Objective To investigate HIV prevalence and AIDS-related risk factors among foreign female sex workers in Dehong Prefecture, Yunnan Province. Methods A door to door survey to all the entertainments in three border counties of Dehong Prefecture was conducted to identify foreign female sex workers. A face-to-face anony- mous questionnaire was administrated to collect the information of social demography, AIDS prevention related services and high risk behaviors, etc. A blood sample of 5mL was collected for HIV antibody testing. Results A total of 238 subjects were approached. Among them HIV prevalence was 4.2%; 34：. 5 % did not use condoms consistently when having sex with clients. Multi factors non-conditional logistic regression analysis showed that the HIV infec- tion risk among the 23-26 years old group was 10.8 times as high as among the 22 or less years old group and was 7.8 times among those having not used condoms in the last sex behavior with client as high as among those using condoms; the risk factors of having unprotected sex included no awareness of the AIDS knowledge （OR= 4.4,95 CI：1. 9-10.2）, age〉26 （OR=2.4,95%CI：1.0-5.7） and working locally≥6 months there （OR=2.8,95%CI： 1.6-5.1）. Conclusion The HIV prevalence among foreign female sex workers in Dehong Prefecture is relatively high, and the consistent condom use in sex behaviors is low. It is urgent to enforce AIDS prevention programs tar-geting at foreign female sex workers in Dehong Prefecture.