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目的使用常规问卷和随机应答技术(RRT)调查性病门诊男性就诊者高危性行为及艾滋病病毒(HIV)感染状况,为艾滋病综合防治和科学干预提供信息和依据。方法选择工作条件不同的2个性病门诊作为哨点(A门诊和B门诊)开展研究。采用横断面常规问卷调查方法,并采血检测性病门诊男性就诊者HIV、梅毒和丙型病毒性肝炎(HCV)抗体,同时使用RRT进行高危行为调查。结果共调查就诊者783例,RRT调查发现过去3个月发生过商业异性性行为的比例为48.8%,发生过临时异性性行为的比例为22.2%,发生过同性性行为的比例15.3%,注射毒品的人只有0.3%。问卷调查结果均低于RRT调查结果,除临时异性性行为差异有统计学意义(U=2.392,P<0.05)外,其他3项结果均差异无统计学意义。A门诊常规问卷调查同性性行为的结果高于RRT调查结果,B门诊常规问卷调查商业异性性行为和同性性行为比例均低于RRT调查结果。HIV、梅毒和HCV抗体阳性率分别为6.8%、7.5%和0.4%。结论对性病门诊男性就诊者采用常规问卷调查可能低估了高危性行为的比例,而RRT方法调查得到的高危性行为结果可能更接近实际情况。
Objective To investigate the prevalence of high-risk sexual behaviors and HIV infection in STD clinic patients using routine questionnaire and random response technique (RRT) to provide information and evidence for comprehensive AIDS prevention and control and scientific intervention. METHODS Two STD clinics with different working conditions were selected as sentinel sites (A outpatient and B outpatient). The cross-sectional routine questionnaire was used to detect HIV, syphilis and hepatitis C virus (HCV) in male patients who were diagnosed as STDs by blood tests. Meanwhile, RRT was used to conduct high-risk behavior investigation. Results A total of 783 patients were investigated. The RRT survey found 48.8% of commercial heterosexual behaviors in the past three months, 22.2% of transient heterosexuals, and 15.3% of homosexual ones. Injections Only 0.3% of people have drugs. The results of the questionnaire survey were all lower than those of the RRT survey. There was no significant difference in the other three items except for the transient heterosexual behavior (U = 2.392, P <0.05). A Outpatient routine questionnaire The result of homosexual behavior was higher than that of the RRT survey, and the proportion of the commercial heterosexual and homosexual behaviors in the routine outpatient B questionnaire survey was lower than that of the RRT survey. HIV, syphilis and HCV antibody positive rates were 6.8%, 7.5% and 0.4%. Conclusions The routine questionnaire survey of male patients in STD clinics may underestimate the proportion of high-risk sexual behaviors. However, the results of high-risk sexual behaviors surveyed by RRT method may be closer to the actual situation.