HIV among MSM in a large middle-income country
HIV among MSM in a large middle-income country
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DOI：
10.1097/qad.0b013e32835ad504
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发表时间：
2013-01-28
期刊：
影响因子：
3.8
通讯作者：
Rutherford, George
中科院分区：
文献类型：
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作者：
Kerr, Ligia R. F. S.;Mota, Rosa S.;Rutherford, George
目标：在巴西开展首次全国男男性接触者艾滋病毒生物和行为监测调查。设计：在形成性研究之后，在 10 个城市利用受访者驱动抽样 (RDS) 进行横断面监测研究。计划样本：350 名在过去 12 个月内报告与另一名男性发生性关系的 MSM，年龄至少 18 岁，居住在研究城市。方法：常规 RDS 招募。使用 RDSAT 5.6 计算每个城市的结果。对于全国估计，使用新方法计算了新的个人体重。将这 10 个城市进行汇总，视为分层并使用 STATA11.0 进行分析。自我报告的 HIV 状况和逻辑回归用于估算血清状况的缺失值，这是 RDSAT 的一个重要问题。结果：总共采访了 3859 名 MSM。样本多种多样，大多数自认为是黑白混血儿或黑人，社会阶层为 C 级或以下，教育水平相对较低。超过 80% 的受访者表示在过去 6 个月内有不止一位合作伙伴。只有 49% 的人曾接受过 HIV 检测。 10 个城市中男男性行为者的艾滋病毒感染率范围为 5.2% 至 23.7%（未估算时为 3.7-16.5%），所有城市中估算后的艾滋病毒感染率为 14.2%。在巴西，女性性工作者和吸毒者的总体患病率分别比估计值高出两倍和三倍。艾滋病毒检测呈阳性的人中有一半不知道自己已感染艾滋病毒。结论：与其他国家一样，巴西的艾滋病流行不成比例地集中在男男性行为者中。需要重新努力鼓励检测、预防和治疗。 (C) 2013 年威科健康 | Lippincott Williams & Wilkins 艾滋病 2013，27:427-435
Objective: To conduct the first national biological and behavioral surveillance survey for HIV among MSM in Brazil.Design: A cross-sectional surveillance study utilizing Respondent Driven Sampling (RDS) in 10 cities, following formative research. Planned sample: 350 MSM reporting sex with another man in the last 12 months, at least 18 years of age, and residing in the city of the study.Methods: Conventional RDS recruitment. Results were calculated for each city using RDSAT 5.6. For the national estimate, a new individual weight using a novel method was calculated. The 10 cities were aggregated, treated as strata and analyzed using STATA11.0. Self-reported HIV status and logistic regression was used to impute missing values for serostatus, an important issue for RDSAT.Results: A total of 3859 MSM were interviewed. Sample was diverse, most self-identified as mulatto or black, were social class C or below, and had relatively low levels of education. More than 80% reported more than one partner in the last 6 months. Only 49% had ever tested for HIV. HIV prevalence among MSM ranged from 5.2 to 23.7% in the 10 cities (3.7-16.5% without imputation) and was 14.2% for all cities combined with imputation. The overall prevalence was two and three times higher than that estimated for female sex workers and drug users, respectively, in Brazil. Half of those who tested HIV positive were not aware of their infection.Conclusion: The AIDS epidemic in Brazil is disproportionately concentrated among MSM, as has been found in other countries. Renewed efforts to encourage testing, prevention and treatment are required. (C) 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins AIDS 2013, 27:427-435