西安市强制戒毒人员HIV感染及高危行为调查

Cross-sectional survey of HIV among drug-users in detoxification centers in Xi'an.

目的了解陕西省西安市强制戒毒人员人类免疫缺陷病毒（HW）流行趋势及其高危行为发生状况，为制定适宜的防治措施提供依据。方法采用固定场所连续采样方法对西安市强制戒毒所内戒毒人员进行采样和调查。结果西安市强制戒毒人群HIV感染率为1．9％；非条件Logistic回归分析表明：注射吸毒、共用注射器、少数民族（彝族或维吾尔族）是强制戒毒人群感染HIV的危险因素。OR值（95％CI=1．05～2．11，1．42～3．74和13．2～22．62）分别为1．58～2．58和17．91。最近一年有性行为和临时性伙伴的吸毒者HIV感染率分别为2．2％，3．0％，略高于无性行为和无性伙伴，但差异无统计学意义。结论西安市强制戒毒人员艾滋病感染率比较低，以外来人口感染居多。但仍具有感染艾滋病的高危行为。

Objective To investigate the prevalence of HIV and risk factors among drug users in detoxification centers in Xi＇ an, Methods The drug users in detoxifieation centers in Xi＇ an were interviewed by trained health workers and their blood samples were collected. Results Among 2267 participants, HIV prevalence was 1.9 %. Multivariate logistic regression analysis showed that IDUs who shared injection equipment with others, the minority（Yi or Uigers）were associated with HIV infection, OR is 1.58,2.58 and 17.91 respectively, （95 % CI is 1,05 -- 2.11 、 1.42 - 3.74 and 13.2 - 22.62）. The HIV infection rate is slightly higher in drug users who have sex and sex with casual partners than who haven＇t, with the percentage of 2.2 % and 3.0 % respectively. Conclusion The HIV prevalence was low in drug users in detoxification centers in Xi＇ an, but there were risk behaviors related to HIV infection.