Health benefits of reducing ambient levels of fine particulate matter: a mortality impact assessment in Taiwan.

IF 2.3 4区 医学 Q3 ENVIRONMENTAL SCIENCES Journal of Toxicology and Environmental Health-Part A-Current Issues Pub Date : 2023-09-17 DOI:10.1080/15287394.2023.2233985
Shang-Shyue Tsai, Chun-Yuh Yang
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引用次数: 1

Abstract

While numerous studies have found a relationship between long-term exposure to airborne fine particulate matter (PM2.5) and higher risk of death, few investigations examined the contribution that a reduction of exposure to ambient PM2.5 levels might exert on mortality rates. This study aimed to collect data on changes in annual average ambient levels of PM2.5 from 2006 to 2020 and consequent health impact in public health in 65 municipalities in Taiwan. Avoidable premature mortality was used here as an indicator of adverse health impact or health benefits. Annual PM2.5 levels were averaged for the years 2006, 2010, and 2020. In accordance with World Health Organization (WHO) methodology, differences were estimated in the number of deaths attributed to ambient PM2.5 exposure which were derived from concentration-response data from prior epidemiological studies. PM2.5 concentrations were found to have been decreased markedly throughout Taiwan over the two-decade study. As the PM2.5 concentrations fell, so was the health burden as evidenced by number of deaths concomitantly reduced from 22.4% in 2006 to 8.47% in 2020. Data demonstrated that reducing annual mean levels of PM2.5 to PM10 ug/m3 was associated with decrease in the total burden of mortality, with a 2.22-13.18% fall in estimated number of PM2.5-related deaths between 2006 and 2020. Based upon these results, these declines in ambient PM2.5 levels were correlated with significant improvement in public health (health benefits) and diminished number of deaths in Taiwan.

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降低环境细颗粒物水平对健康的益处:台湾的死亡率影响评估。
虽然许多研究发现长期暴露于空气中的细颗粒物(PM2.5)与较高的死亡风险之间存在关系,但很少有调查调查减少暴露于环境PM2.5水平可能对死亡率产生的影响。本研究旨在收集台湾65个直辖市2006年至2020年PM2.5年平均环境水平变化及其对公共卫生的健康影响的数据。这里使用可避免的过早死亡率作为不良健康影响或健康益处的指标。PM2.5的年平均值为2006年、2010年和2020年。根据世界卫生组织(世卫组织)的方法,根据先前流行病学研究的浓度-反应数据,估计了因环境PM2.5暴露导致的死亡人数的差异。在20年的研究中发现,整个台湾的PM2.5浓度明显下降。随着PM2.5浓度的下降,健康负担也随之下降,死亡人数从2006年的22.4%下降到2020年的8.47%。数据表明,将PM2.5的年平均水平降低至PM10 ug/m3与死亡率总负担的减少有关,2006年至2020年期间与PM2.5相关的估计死亡人数下降了2.22-13.18%。基于这些结果,环境PM2.5水平的下降与台湾公共卫生的显著改善(健康效益)和死亡人数的减少相关。
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来源期刊
CiteScore
5.20
自引率
19.20%
发文量
46
审稿时长
8-16 weeks
期刊介绍: The Journal of Toxicology and Environmental Health, Part A , Current Issues is an authoritative journal that features strictly refereed original research in the field of environmental sciences, public and occupational health, and toxicology.
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