Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada.
BMC Public Health. 2013 Aug 16;13:763. doi: 10.1186/1471-2458-13-763.
Individuals of Asian heritage represent the largest ethnic minority in Canada. Approximately 10% of the new HIV diagnoses in men in British Columbia occur among Asian-Canadians. However, the HIV risk patterns of Asian men who have sex with men (MSM) have not been extensively studied.
Participants aged ≥ 19 years were enrolled in a venue-based HIV serobehavioural survey of MSM in Vancouver, Canada. We compared the demographic characteristics, risk behaviours, and prevalence of HIV and other sexual and blood borne infections between Asian and non-Asian MSM using bivariate analysis and logistic regression confounder modelling.
Amongst 1132 participants, 110 (9.7%) self-identified as Asian. Asian participants were younger than non-Asian participants (median age 29 vs. 32 years; p < 0.001), but otherwise did not differ from other study participants. HIV prevalence was lower among Asian MSM compared to Non-Asian MSM (3.7% vs 19.0%, p <0.001). Among men who self-reported as HIV negative or unknown we found no differences in unprotected anal intercourse (UAI) with a discordant or unknown serostatus partner in the previous six months (11 vs. 13%; p = 0.503). However, Asian MSM were less likely to report ever using injection drugs (10.8% vs. 19.2%; p = 0.043) or using alcohol before having sex (52% vs. 64.4%; p = 0.017).
Asian MSM in our study reported similar rates of UAI as non-Asian MSM, but had a lower prevalence of HIV infection. Other factors, such as the use of drugs and alcohol, in relation to sex, may partly explain these differences. However this requires further investigation.
亚洲人是加拿大最大的少数族裔群体。在不列颠哥伦比亚省新诊断的男性艾滋病病毒感染者中，约有 10%是亚裔加拿大人。然而，亚洲男男性行为者（MSM）的艾滋病毒风险模式尚未得到广泛研究。
在加拿大温哥华，参与者年龄≥19 岁，参加了一项基于场所的 MSM 艾滋病毒血清行为调查。我们使用双变量分析和逻辑回归混杂因素模型比较了亚洲和非亚洲 MSM 之间的人口统计学特征、风险行为以及艾滋病毒和其他性传播和血液传播感染的流行率。
在 1132 名参与者中，有 110 人（9.7%）自我认定为亚洲人。亚洲参与者比非亚洲参与者年轻（中位数年龄 29 岁比 32 岁；p <0.001），但其他方面与其他研究参与者没有差异。与非亚洲 MSM 相比，亚洲 MSM 的艾滋病毒流行率较低（3.7%比 19.0%，p <0.001）。在自我报告 HIV 阴性或未知的男性中，我们发现过去六个月与性伴侣的不一致或未知血清学状态的无保护肛交（UAI）没有差异（11%比 13%；p = 0.503）。然而，亚洲 MSM 报告使用注射毒品的可能性较小（10.8%比 19.2%；p = 0.043），在性行为前使用酒精的可能性也较小（52%比 64.4%；p = 0.017）。
在我们的研究中，亚洲 MSM 报告的 UAI 率与非亚洲 MSM 相似，但艾滋病毒感染率较低。与性相关的其他因素，如使用毒品和酒精，可能部分解释了这些差异。但是这需要进一步的研究。
