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首页> 外文期刊>Journal of Environmental Science and Health. A, Toxic/Hazardous Substances & Environmental Engineering >Racial/ethnic disparities in the association between fine particles and respiratory hospital admissions in San Diego county, CA
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Racial/ethnic disparities in the association between fine particles and respiratory hospital admissions in San Diego county, CA

机译：加州圣地亚哥县精细粒子和呼吸医院招生协会的种族/民族差异

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摘要

Ambient air pollution exposure is associated with exacerbating respiratory illnesses. Race/ethnicity (R/E) have been shown to influence an individual's vulnerability to environmental health risks such as fine particles (PM 2.5). This study aims to assess the R/E disparities in vulnerability to air pollution with regards to respiratory hospital admissions in San Diego County, California where most days fall below National Ambient Air Quality Standards (NAAQS) for daily PM 2.5 concentrations. Daily PM 2.5 levels were estimated at the zip code level using a spatial interpolation using inverse-distance weighting from monitor networks. The association between daily PM 2.5 levels and respiratory hospital admissions in San Diego County over a 15-year period from 1999 to 2013 was assessed with a time-series analysis using a multi-level Poisson regression model. Cochran Q tests were used to assess the effect modification of race/ethnicity on this association. Daily fine particle levels varied greatly from 1 mu g/m(3) to 75.86 mu g/m(3) (SD = 6.08 mu g/m(3)) with the majority of days falling below 24-hour NAAQS for PM 2.5 of 35 mu g/m(3). For every 10 mu g/m(3) increase in PM 2.5 levels, Black and White individuals had higher rates (8.6% and 6.2%, respectively) of hospitalization for respiratory admissions than observed in the county as a whole (4.1%). Increases in PM 2.5 levels drive an overall increase in respiratory hospital admissions with a disparate burden of health effects by R/E group. These findings suggest an opportunity to design interventions that address the unequal burden of air pollution among vulnerable communities in San Diego County that exist even below NAAQS for daily PM 2.5 concentrations.
机译：环境空气污染暴露与加剧呼吸疾病有关。种族/种族（R / E）已被证明会影响个人对环境健康风险（如细粒含量）（PM 2.5）的脆弱性。本研究旨在评估加利福尼亚州圣地亚哥县的呼吸医院入学漏洞的脆弱性差距，大多数日子低于国家环境空气质量标准（NAAQs），每日PM 2.5浓度。使用来自监视网络的反向距离加权的空间插值，在邮政编码级别估计每日PM 2.5级。在1999年至2013年的15年期间，在1999年至2013年期间的每日下午2.5分和呼吸医院入学之间的关联被评估了使用多级泊松回归模型的时间序列分析。 Cochran Q测试用于评估对该协会的种族/种族的影响。每日细颗粒水平从1μg/ m（3）至75.86μg/ m（3）（Sd = 6.08 mu g / m（3））变化，大多数天低于24小时的NAAQs的PM 2.5 35 mu g / m（3）。对于每10μg/ m（3）PM 2.5水平的增加，黑白个人的呼吸录取率较高（分别为8.6％和6.2％），而不是整个县（4.1％）。 PM 2.5水平的增加推动呼吸医院入学的总体上升，R / E集团对呼吸医院入学的总体增加。这些调查结果表明有机会设计干预措施，这些干预措施解决了在日常PM 2.5浓度下的NAAQ上甚至存在于NAAQ的弱势社区中的不平等污染负担。

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