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目的了解西南和西北地区第四轮中国全球基金/中英艾滋病项目50个项目县(区),吸毒人群艾滋病感染率和行为学指标情况。方法采用方便样本或滚雪球法,对项目地区社区和羁押场所的吸毒人群进行抽样和一对一问卷调查,检测血清HIV抗体。结果调查的13737人中,男性占86.1%,女性占13.9%,20～44岁者占93.7%。吸毒人群中,静脉注射毒品者占96.0%,艾滋病知识的知晓率为29.2%。注射吸毒人群最近1次注射吸毒时共用注射器的比例为26.7%,最近1个月共用注射器的比例为41.8%,最近6个月共用注射器的比例78.1%。最近1次与临时性伴性行为时使用安全套的比例为31.1%,最近1次商业性行为时使用安全套的比例为32.7%。吸毒人群HIV阳性率平均为14.6%。结论项目地区吸毒人群中艾滋病知识知晓率较低,存在共用注射器和商业性行为中不使用安全套等高危行为,HIV感染率较高。下一步工作重点是加强对吸毒人群的艾滋病知识宣传,提高行为干预的覆盖率。
Objective To understand the prevalence of HIV infection and behavioral indicators among 50 project counties (districts) in the fourth round of China Global Fund / China-UK AIDS project in southwest and northwest regions. Methods A sample of convenience or snowball method was used to sample and one-on-one questionnaire survey of drug addicts in communities and places of detention in the project area to detect serum HIV antibody. Results Of the 13,737 people surveyed, 86.1% were males, 13.9% were females, and 93.7% were females aged 20-44. Drug users, intravenous drug users accounted for 96.0%, awareness of AIDS knowledge was 29.2%. The proportion of syringes shared by injecting drug users in the last injection was 26.7% in the last 1 month, 41.8% in the last month and 78.1% in the last 6 months. Condom use was 31.1% for the most recent 1-time sexual intercourse and 32.7% for the last commercial sex. HIV positive rate among drug users averaged 14.6%. Conclusion There is a low awareness rate of HIV / AIDS among drug users in the project area. High risk behaviors such as sharing of syringes and non-use of condoms in commercial sexual behaviors exist and HIV infection rate is higher. The next step is to focus on HIV / AIDS knowledge among drug users and increase the coverage of behavioral interventions.