中山市吸毒人群艾滋病、梅毒感染情况及相关知识和行为调查

目的了解中山市吸毒人群HIV和梅毒感染状况及其相关知识与行为。方法1999～2003年对该市戒毒的11759名吸毒人员进行HIV和梅毒抗体的检测,并对其中2047名吸毒人员采用面对面访问,了解其相关知识知晓率及高危行为。结果检出抗-HIV阳性574例,感染率为4.88%,梅毒抗体阳性683例,感染率为5.81%,同时感染HIV和梅毒16例,感染率为0.14%。艾滋病相关知识知晓率为48.27%～79.04%;采用静脉吸毒占55.30%,共用针具率为58.07%;入所前半年内曾有非婚性行为占18.20%,最末一次性行为使用安全套占51.47%,没有使用安全套占48.53%。结论中山市吸毒人群HIV和梅毒感染属低流行,但流行的危险因素隐患大,特别警惕HIV、梅毒从吸毒者向暗娼或嫖客到家庭成员传播,需进一步加强综合性干预措施。

Investigation of AIDS and syphilis infection in drug abusers and their knowledge and behaviors related to the diseases

Objective The present investigation was performed to evaluate AIDS and syphilis infection in drug abusers and their knowledge and behaviors related to the diseases in Zhongshan city. Methods From 1999 to 2003, 11759 drug abusers of the city were tested for HIV and syphilis antibodies,with face-to-face interview conducted for 2047 of them to understand the rate of their awareness of related knowledge and their high-risk behaviors. Results 574 cases were found to be positive for anti-HIV antibody ( 4.88%) ; 683 cases positive for syphilis antibody (5.81%); and 16 cases positive for both HIV and syphilis antibodies (0.14%). Those having AIDS-related knowledge accounted for 48.27%~79.04%. 55.30% of the investigated were intravenous drug-abusers, with the rate of needle sharing being 58.07%. 18.20% of the interviewed had non-marital sexual contacts half a year before detained. 51.47% used a condom in the last sexual relation. 48.53% reported no condom use. Conclusion HIV and syphilis infections among drug-abusing population are relatively low, but have a high risk of potential prevalence. Particular precautions have to be taken to prevent transmission of HIV and syphilis from drug abusers to unlicensed prostitutes or whoremaster and to family members. Comprehensive interventions need to be reinforced further.