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1.
目的 分析重庆地域社会文化因素对男男性接触人群(men who have sex with men, MSM)性取向认同和性角色的影响,进而探讨性角色与MSM人群HIV高感染风险的关联。 方法 在2020年采用定性访谈的方法,依托当地从事MSM干预的社会组织招募符合要求的30名MSM人群进行个人深入访谈。 结果 访谈发现,重庆MSM人群对其性取向有较好自我认同感,告知他人性取向时最顾虑家人感受,性角色为被插入方或兼有者相对更可能告知父母。大部分访谈对象认为重庆MSM性角色被插入方的比例较高,可能跟重庆人体型小皮肤好、女性地位高、接受多元文化等有关,也使得性角色被插入方的自我认同度增高。重庆公众对同性恋现象的包容度较强,城市的包容开放受移民文化、经济发展等因素影响,但也受一定传统文化的制约。MSM的社区亚文化,如追求性自由的享乐、道德规范较弱、新型毒品的使用使得不同性角色都面临感染HIV的高风险。 结论 重庆社会文化因素对MSM性角色的选择有一定影响,充分考虑社会文化因素无疑会有效推进艾滋病防控工作。  相似文献   
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目的了解重庆市男男性行为者(MSM)发生商业性性活动的基本情况及影响因素。方法于2019-2020年应用方便抽样的方法在重庆市招募1151名MSM,采用自填式问卷方法收集社会人口学特征、性行为特征、毒品使用史等;采集调查对象静脉血5 mL进行抗艾滋病病毒(HIV)检测和梅毒螺旋体抗体检测。采用二分类多因素Logistic回归模型分析重庆市MSM发生商业性性活动的影响因素。结果调查的1151名MSM中,HIV感染率为16.8%(193名);105名(9.1%)MSM报告既往有商业性性活动,HIV感染率为23.8%(25名),高于未报告商业性性活动者16.1%(168/1046),差异有统计学意义(χ2=4.11,P=0.04)。多因素Logistic回归分析结果显示,与高中及以下文化程度、重庆市户籍、同性性行为、没有群交史、没有毒品使用史的人群相比,大专及以上文化程度、外地户籍、双性性行为、群交、使用毒品的MSM发生商业性性活动的风险性较高,比值比(OR)[95%可信区间(CI)]分别为1.52(1.10~2.60)、1.90(1.21~2.98)、2.03(1.24~3.30)、1.71(1.17~2.90)、5.68(3.51~9.17);与经常饮酒的MSM相比,偶尔/从不饮酒的MSM发生商业性性活动的风险较低,OR(95%CI)分别为0.50(0.30~0.86)、0.46(0.25~0.85)。结论文化程度、户籍地、饮酒、性向、群交、毒品使用是MSM发生商业性性活动的影响因素,在针对这类人群进行艾滋病性病干预服务时,要因地制宜、分类管理。  相似文献   
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M. Ohayon 《Sexologies》2019,28(3):120-127
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5.
ABSTRACT

Emerging data from Europe have documented increases in diagnoses of acute hepatitis C virus (HCV) infection among HIV-negative men who have sex with men. We investigated risk factors for HCV and their correlates in the Together 5000 study, a U.S. national cohort study of HIV-negative men (n?=?6089), transgender women (n?=?40), and transgender men (n?=?42) who have sex with men. We used bivariate and multivariable analyses to determine demographic and behavioral factors associated with high risk for acute HCV infection (using the HCV-MOSAIC risk indicator with a score?≥?2.0). Mean HCV risk score was 1.38 (SD?=?1.09) and 27.3% of participants had HCV risk scores?≥?2.0. In multivariable modeling, being cisgender male (vs. not) was associated with having a lower HCV-MOSAIC risk score. Meanwhile, being white, having been incarcerated, prior use of HIV pre- or post-exposure prophylaxis, having ever been tested for HIV, and recent methamphetamine use were associated with high risk for HCV. More than one-in-four participants exceeded the threshold score for HCV risk. Those with high HCV-MOSAIC risk scores were more likely to have been in settings where they could be tested for acute HCV (i.e., HIV testing, PrEP care, PEP care, incarceration), suggesting opportunities to engage them in HCV screening, prevention, and treatment.  相似文献   
6.
目的 了解基于移动互联网的男男性行为者(MSM)肛交性行为特点及影响要素,为疾病的防治提供依据。方法 2017年1月—2018年12月,在MSM聚集的移动互联网社交平台上,选择18周岁以上,最近1年内有过肛交同性性行为的男性810人为调查对象,分析肛交性行为特征及影响因素。结果 最近6个月MSM人群同性肛交性行为比例为82.1%(665/810),HIV感染率为18.1%(147/810);无保护肛交的比例为45.6%(303/665),HIV感染率为26.1%(79/303);最近6个月与无保护肛交有影响的因素有:已婚(OR=0.938, 95%CI:0.642~0.971)、获得同伴教育(OR=0.376, 95%CI:0.262~0.539),居住时间>6~12个月(OR=0.276, 95%CI:0.120~0.634)、居住时间>12~24个月(OR=0.544, 95%CI:0.292~0.743)、居住时间24个月以上(OR=0.347, 95%CI:0.256~0.767)、感染性病(OR=0.401, 95%CI:0.201~0.800)、知晓艾滋病防治相关知识(OR=0.443, 95%CI:0.104~0.773)。结论 MSM无保护性肛交发生比例高,虽然婚姻对无保护性肛交有制约作用,但艾滋病健康促进至关重要;基于互联网抽样和干预是MSM艾滋病流行病学研究和控制的有效途径。  相似文献   
7.
ABSTRACT

Mobile health (M-Health) has become a novel method for HIV prevention and the effects need to be promoted. The study purpose was to exam how a smartphone application (app) reduces HIV risky behaviour in men who have sex with men (MSM). The Safe Behaviour and Screening (SBS) app was developed, and included five features: record, output, and resources connection; information provision; testing services; interaction; and online statistics. A random assignment was used. The experimental group used the SBS app for six months. The control group did not use any intervention. There were 130 participants in the experimental group, and 135 in the control group. The average age of all subjects was 27.38 (SD?=?5.56). Compared to the control group, the experimental group had significantly higher mean score of safe behaviour knowledge, motivation, and skills; percentage of condom use during anal intercourse; frequency of searching for testing resources and getting HIV and syphilis tests. The frequency of anal intercourse and recreational drug usage were significantly lower in the experimental group. The SBS app could decrease the HIV risky behaviour among MSM and be applied to HIV prevention and nursing intervention.  相似文献   
8.
大学生男男性行为人群急速增加,男男性行为人群已成为艾滋病传播的纽带人群,学生男男性行为的人类免疫缺陷病毒(HIV)感染增加表现出明显的趋势,对大学生男男性行为人群中HIV传播因素进行分析,为更好的开展学生艾滋病预防和控制提供重要依据。  相似文献   
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10.

Introduction

HIV transmission risk is highest during acute HIV infection (AHI). We evaluated HIV RNA in the anogenital compartment in men who have sex with men (MSM) during AHI and compared time to undetectable HIV RNA after three-drug versus five-drug antiretroviral therapy (ART) to understand risk for onward HIV transmission.

Methods

MSM with AHI (n=54) had blood, seminal plasma and anal lavage collected for HIV RNA at baseline, days 3 and 7, and weeks 2, 4, 12 and 24. Data were compared between AHI stages: 1 (fourth-generation antigen-antibody combo immunoassay [IA]–, third-generation IA–, n=15), 2 (fourth-generation IA+, third-generation IA–, n=9) and 3 (fourth-generation IA+, third-generation IA+, western blot–/indeterminate, n=30) by randomization to five-drug (tenofovir+emtricitabine+efavirenz+raltegravir+maraviroc, n=18) versus three-drug (tenofovir+emtricitabine+efavirenz, n=18) regimens.

Results

Mean age was 29 years and mean duration since HIV exposure was 15.4 days. Mean baseline HIV RNA was 5.5 in blood, 3.9 in seminal plasma and 2.6 log10 copies/ml in anal lavage (p<0.001). Blood and seminal plasma HIV RNA were higher in AHI Stage 3 compared to Stage 1 (p<0.01). Median time from ART initiation to HIV RNA <50 copies/ml was 60 days in blood, 15 days in seminal plasma and three days in anal lavage. Compared with the three-drug ART, the five-drug ART had a shorter time to HIV RNA <1500 copies/ml in blood (15 vs. 29 days, p=0.005) and <50 copies/ml in seminal plasma (13 vs. 24 days, p=0.048).

Conclusions

Among MSM with AHI, HIV RNA was highest in blood, followed by seminal plasma and anal lavage. ART rapidly reduced HIV RNA in all compartments, with regimen intensified by raltegravir and maraviroc showing faster HIV RNA reductions in blood and seminal plasma.  相似文献   
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