Background:Unprotected anal intercourse (UAI) has previously been associated with human immunodeficiency virus (HIV) infection.Male students who have sex with men (SMSM) are at increased exposure to experience UAI.The...Background:Unprotected anal intercourse (UAI) has previously been associated with human immunodeficiency virus (HIV) infection.Male students who have sex with men (SMSM) are at increased exposure to experience UAI.The aim of this study was to investigate the status of UAI and related factors among SMSM in three northern regions of China.Methods:From November 2018 to January 2019,SMSM,18 years or older,studying or living in Beijing,Tianjin,or Shijiazhuang,who had anal sex in the past 6 months were recruited by community-based organizations to participate in an unmatched,casecontrol study.Detailed demographic and behavioral information were collected via self-administrated electronic questionnaires and factors related to UAI were assessed using uni-and multivariate logistic regression analyses.Results:Among the 511 SMSM included in the study,210 (41.1%) reported UAI in the past 6 months.SMSM who had sexual partners at least 10 years older than themselves (odds ratio [OR]=2.277,95% confidence interval [CI]:1.380-3.756),used vacant capsules before sexual activity (OR =3.858,95 % CI:1.472-10.106),had a self-perceived moderate-HIV risk (OR =2.128,95 %CI:1.403-3.227),and unprotected,first anal intercourse (OR =2.236,95 % CI:1.506-3.320) had increased odds of UAI.Contusions:Factors associated with increased odds of engaging in UAI in the past 6 months among SMSM included having older sexual partners,using vacant capsules,having a self-perceived moderate risk of HIV,and unprotected,first anal intercourse.Continuing education on risk reduction,including improving condom decision making in age-discordant relationships could help address the sexual risk behaviors among SMSM.展开更多
目的:了解学生男男性行为者(men who have sex with men,MSM)在近1年里对人类免疫缺陷病毒(human immunodeficiency virus,HIV)进行检测的状况及影响因素。方法:在重庆、四川、广西、新疆地区采用多种途径进行方便抽样,共招募291名学生...目的:了解学生男男性行为者(men who have sex with men,MSM)在近1年里对人类免疫缺陷病毒(human immunodeficiency virus,HIV)进行检测的状况及影响因素。方法:在重庆、四川、广西、新疆地区采用多种途径进行方便抽样,共招募291名学生MSM进行问卷调查和现场HIV检测。结果:调查完成问卷291份,有效问卷288份(98.97%)。近1年HIV检测率为58.68%,本次HIV抗体阳性检出率为5.90%。多因素logistic回归显示学生MSM近1年进行HIV检测的促进因素有:年龄≥22岁(OR=2.59,95%CI=1.24~5.42,P=0.012)、艾滋病知识得分>10分(OR=2.45,95%CI=1.37~4.39,P=0.003)、主动进行过艾滋病免费咨询(OR=6.64,95%CI=3.80~11.60,P=0.000)。结论:重庆、四川、广西、新疆地区学生MSM近1年HIV检测率不高。影响近1年HIV检测的主要因素有为年龄、艾滋病知识得分、主动进行艾滋病免费咨询。展开更多
目的了解青年学生中男男性行为人群(men who have sex with men,MSM)HIV、梅毒感染率及估计HIV发病率趋势状况。方法分析2006-2009年青年学生中男男性行为人群调查资料,比较分析HIV、梅毒感染率以及估计的HIV发病率的趋势。估计HIV发病...目的了解青年学生中男男性行为人群(men who have sex with men,MSM)HIV、梅毒感染率及估计HIV发病率趋势状况。方法分析2006-2009年青年学生中男男性行为人群调查资料,比较分析HIV、梅毒感染率以及估计的HIV发病率的趋势。估计HIV发病率=HIV阳性数/[(年龄-与男性发生首次性行为的年龄)之和]。结果 2006-2009年分别调查了青年学生MSM人群210、206、181人和190人,最近1次与男性肛交时安全套使用率由2006年的48.0%上升至2009年的64.3%,最近6个月与男性发生无保护性肛交的比例由2006年的71.1%下降至2009年的65.3%。2006-2009年HIV感染率为4.3%、3.9%、11.0%、11.1%,梅毒感染率为7.1%、3.9%、2.8%、5.8%,对22岁及以下年龄组的估计发病率为1.4%、0.9%、2.4%和2.5%。结论重庆市MSM人群中青年学生HIV感染率高并呈上升的趋势,估计发病率也呈上升的趋势,流行形势严峻,急需针对该人群开展艾滋病防治工作。展开更多
目的:了解我国四川和重庆地区在校大中学生男男性接触者(men who have sex with men,MSM)的艾滋病病毒(human immunodeficiency virus,HIV)感染状态、艾滋病相关危险性行为、最近6个月多性伴(性伴数≥2个)行为的影响因素。方法:在重庆...目的:了解我国四川和重庆地区在校大中学生男男性接触者(men who have sex with men,MSM)的艾滋病病毒(human immunodeficiency virus,HIV)感染状态、艾滋病相关危险性行为、最近6个月多性伴(性伴数≥2个)行为的影响因素。方法:在重庆和四川采用非概率抽样,共招募200名在校大中学生参与问卷调查和现场HIV检测。采用频率描述HIV感染率,采用Logistic回归模型分析最近6个月多性伴行为(性伴数≥2个)的影响因素。结果:本研究共回收调查问卷200份,有效问卷193份(96.50%)。HIV抗体阳性检出率为8.29%,在读学校是中学(高中/中专/职高)、大专、大学本科及以上的HIV阳性检出率分别为17.95%、8.33%、5.08%;户口是农村的和在此之前未做过HIV检测阳性检出率分别为12.70%、11.11%。最近1个月内82.47%(127人)发生插入性行为时未每次使用安全套;最近6个月内51.81%(100人)有多性伴行为(性伴数≥2个)。多因素logistic回归显示最近6个月内多性伴行为(性伴数≥2个)的独立因素有:在读学校是大专(OR=4.270,P=0.0083)、在读学校是大学及以上(OR=3.523,P=0.0043)、最近6个月通过互联网寻找男性性伴(OR=5.622,P<0.0001)、最近1个月内无保护插入式性行为(OR=2.255,P=0.0201)。结论:我国四川和重庆地区大中学生MSM的HIV感染率高,尤其是中学生MSM和农村户口的学生MSM的HIV感染率高,同时四川和重庆地区大中学生MSM危险性行为发生率高,多性伴行为普遍,应及时开展科学适用的干预方式,遏制艾滋病毒在学生MSM中的流行。展开更多
文摘Background:Unprotected anal intercourse (UAI) has previously been associated with human immunodeficiency virus (HIV) infection.Male students who have sex with men (SMSM) are at increased exposure to experience UAI.The aim of this study was to investigate the status of UAI and related factors among SMSM in three northern regions of China.Methods:From November 2018 to January 2019,SMSM,18 years or older,studying or living in Beijing,Tianjin,or Shijiazhuang,who had anal sex in the past 6 months were recruited by community-based organizations to participate in an unmatched,casecontrol study.Detailed demographic and behavioral information were collected via self-administrated electronic questionnaires and factors related to UAI were assessed using uni-and multivariate logistic regression analyses.Results:Among the 511 SMSM included in the study,210 (41.1%) reported UAI in the past 6 months.SMSM who had sexual partners at least 10 years older than themselves (odds ratio [OR]=2.277,95% confidence interval [CI]:1.380-3.756),used vacant capsules before sexual activity (OR =3.858,95 % CI:1.472-10.106),had a self-perceived moderate-HIV risk (OR =2.128,95 %CI:1.403-3.227),and unprotected,first anal intercourse (OR =2.236,95 % CI:1.506-3.320) had increased odds of UAI.Contusions:Factors associated with increased odds of engaging in UAI in the past 6 months among SMSM included having older sexual partners,using vacant capsules,having a self-perceived moderate risk of HIV,and unprotected,first anal intercourse.Continuing education on risk reduction,including improving condom decision making in age-discordant relationships could help address the sexual risk behaviors among SMSM.
文摘目的:了解学生男男性行为者(men who have sex with men,MSM)在近1年里对人类免疫缺陷病毒(human immunodeficiency virus,HIV)进行检测的状况及影响因素。方法:在重庆、四川、广西、新疆地区采用多种途径进行方便抽样,共招募291名学生MSM进行问卷调查和现场HIV检测。结果:调查完成问卷291份,有效问卷288份(98.97%)。近1年HIV检测率为58.68%,本次HIV抗体阳性检出率为5.90%。多因素logistic回归显示学生MSM近1年进行HIV检测的促进因素有:年龄≥22岁(OR=2.59,95%CI=1.24~5.42,P=0.012)、艾滋病知识得分>10分(OR=2.45,95%CI=1.37~4.39,P=0.003)、主动进行过艾滋病免费咨询(OR=6.64,95%CI=3.80~11.60,P=0.000)。结论:重庆、四川、广西、新疆地区学生MSM近1年HIV检测率不高。影响近1年HIV检测的主要因素有为年龄、艾滋病知识得分、主动进行艾滋病免费咨询。
文摘目的了解青年学生中男男性行为人群(men who have sex with men,MSM)HIV、梅毒感染率及估计HIV发病率趋势状况。方法分析2006-2009年青年学生中男男性行为人群调查资料,比较分析HIV、梅毒感染率以及估计的HIV发病率的趋势。估计HIV发病率=HIV阳性数/[(年龄-与男性发生首次性行为的年龄)之和]。结果 2006-2009年分别调查了青年学生MSM人群210、206、181人和190人,最近1次与男性肛交时安全套使用率由2006年的48.0%上升至2009年的64.3%,最近6个月与男性发生无保护性肛交的比例由2006年的71.1%下降至2009年的65.3%。2006-2009年HIV感染率为4.3%、3.9%、11.0%、11.1%,梅毒感染率为7.1%、3.9%、2.8%、5.8%,对22岁及以下年龄组的估计发病率为1.4%、0.9%、2.4%和2.5%。结论重庆市MSM人群中青年学生HIV感染率高并呈上升的趋势,估计发病率也呈上升的趋势,流行形势严峻,急需针对该人群开展艾滋病防治工作。
文摘目的:了解我国四川和重庆地区在校大中学生男男性接触者(men who have sex with men,MSM)的艾滋病病毒(human immunodeficiency virus,HIV)感染状态、艾滋病相关危险性行为、最近6个月多性伴(性伴数≥2个)行为的影响因素。方法:在重庆和四川采用非概率抽样,共招募200名在校大中学生参与问卷调查和现场HIV检测。采用频率描述HIV感染率,采用Logistic回归模型分析最近6个月多性伴行为(性伴数≥2个)的影响因素。结果:本研究共回收调查问卷200份,有效问卷193份(96.50%)。HIV抗体阳性检出率为8.29%,在读学校是中学(高中/中专/职高)、大专、大学本科及以上的HIV阳性检出率分别为17.95%、8.33%、5.08%;户口是农村的和在此之前未做过HIV检测阳性检出率分别为12.70%、11.11%。最近1个月内82.47%(127人)发生插入性行为时未每次使用安全套;最近6个月内51.81%(100人)有多性伴行为(性伴数≥2个)。多因素logistic回归显示最近6个月内多性伴行为(性伴数≥2个)的独立因素有:在读学校是大专(OR=4.270,P=0.0083)、在读学校是大学及以上(OR=3.523,P=0.0043)、最近6个月通过互联网寻找男性性伴(OR=5.622,P<0.0001)、最近1个月内无保护插入式性行为(OR=2.255,P=0.0201)。结论:我国四川和重庆地区大中学生MSM的HIV感染率高,尤其是中学生MSM和农村户口的学生MSM的HIV感染率高,同时四川和重庆地区大中学生MSM危险性行为发生率高,多性伴行为普遍,应及时开展科学适用的干预方式,遏制艾滋病毒在学生MSM中的流行。
