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目的了解北京市吸毒人群梅毒感染水平及其相关危险因素。方法对新入某戒毒所的吸毒人群进行普查,调查吸毒人群的社会人口学、吸毒行为和性行为方式,采集血标本,用酶联免疫吸附试验(ELISA)检测梅毒抗体。采用χ2检验和多因素Logistic回归模型分析梅毒感染的影响因素。结果2006年4-11月,共调查吸毒者720人,梅毒感染率为7.8%(56/720)。单因素χ2分析结果表明,与梅毒感染有关的危险因素包括:女性、注射毒品、注射毒品的时间长、共用针具、性交易、性交易时不使用安全套;多因素Logistic回归模型分析中,梅毒感染的相关因素包括:女性(OR=2.342,95%CI=1.199-4.587)和性交易(OR=5.417,95%CI为2.815-10.423)。结论需加强对吸毒人群危险性行为的健康教育和干预措施,控制吸毒人群中性病和艾滋病的感染和传播。
Objective To understand the level of syphilis infection among drug addicts in Beijing and its related risk factors. Methods The population of drug addicts newly admitted to an addiction treatment center was surveyed. The socio-demographic, drug-taking behavior and sexual behavior were investigated. The blood samples were collected and the syphilis antibodies were detected by enzyme linked immunosorbent assay (ELISA). Χ2 test and multivariate Logistic regression model were used to analyze the influencing factors of syphilis infection. Results From April to November 2006, a total of 720 drug abusers were investigated, and the syphilis infection rate was 7.8% (56/720). Univariate χ2 analysis showed that the risk factors associated with syphilis infection included women, injecting drugs, injecting drugs for a long time, sharing needles, sexual transactions, sex condoms without condom use; multivariate logistic regression model analysis, syphilis Factors related to infection included women (OR = 2.342, 95% CI = 1.199-4.587) and sexual transactions (OR = 5.417, 95% CI 2.815-10.423). Conclusion Health education and interventions should be strengthened for risk behaviors of drug addicts to control the transmission and transmission of STDs and AIDS among drug users.