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目的了解重庆市大足区吸毒人群HIV、HCV、梅毒感染率及相关的影响因素的变化趋势,为开展有针对性的干预提供建议。方法收集分析2010—2015年重庆市大足区吸毒人群哨点监测资料,采集5 ml血液检测HIV、HCV与梅毒抗体,计数资料比较采用χ2检验,P<0.05为差异有统计学意义。结果 2010—2015年共计调查吸毒人员1 598人,平均年龄(34.56±7.98)岁,2010—2015年吸食海洛因的比例呈下降的趋势,而吸食冰毒的比例呈上升的趋势,注射吸毒的比例呈下降的趋势,2015年下降至48.40%,注射吸毒共用针具的比例也呈下降的趋势,2015年下降至28.40%,最近一次发生性行为时使用安全套的比例呈下降的趋势,2015年使用率仅33.33%,最近一年发生商业性行为的比例较高2013年达到50.80%,最近一年发生商业性行为时每次都使用安全套的比例由2010年的24.00%上升至2015年的59.52%,2010—2015年HIV检出率均保持在10%以上,梅毒阳性检出率由2010年的1.92%下降至2015年的0.40%,HCV阳性检出率由2010年的72.31%下降至2015年47.60%。结论重庆市大足区吸毒人群HIV、HCV感染率高,但有呈下降的趋势,发生性行为时安全套使用率低,应加强性行为的干预。
Objective To understand the trend of HIV, HCV and syphilis infection among drug users in Dazu District of Chongqing Municipality and the related influencing factors, and to provide suggestions for targeted intervention. Methods The data of sentinel surveillance among drug users in Dazu District of Chongqing from 2010 to 2015 were collected and collected. Five ml of blood was collected to detect HIV, HCV and syphilis antibodies. The count data were compared using Chi-square test. P <0.05 was considered statistically significant. Results A total of 1 598 drug abusers were surveyed between 2010 and 2015, with an average age of (34.56 ± 7.98) years. The proportion of heroin abusers in 2010-2015 showed a downward trend while that of methamphetamine drugs showed a rising trend. The proportion of injecting drug users Declining trend to 48.40% in 2015, the proportion of injecting drug-sharing needles also showed a downward trend, dropping to 28.40% in 2015 and the proportion of condom use in the last sexual activity showed a downward trend. The utilization rate in 2015 Only 33.33%. The proportion of commercial sexual behaviors in the most recent year was 50.80% in 2013. The proportion of condom use every time commercial sex activities in recent years increased from 24.00% in 2010 to 59.52% in 2015, The HIV detection rate in 2010-2015 remained above 10%, the positive rate of syphilis dropped from 1.92% in 2010 to 0.40% in 2015, and the positive rate of HCV infection dropped from 72.31% in 2010 to 47.60% in 2015 %. Conclusion HIV and HCV infection rates among drug users in Dazu District of Chongqing City are high, but there is a decreasing trend. Condoms have low utilization rate in sexual behaviors and should be intervened by sexual behaviors.