首页|Long-Term Exposure to Low-Level Ambient Air Pollution and Mortality among 0.3 Million Chinese Older Adults

Long-Term Exposure to Low-Level Ambient Air Pollution and Mortality among 0.3 Million Chinese Older Adults

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Objective Evidence that long-term exposure to ambient air pollution increases mortality among older adults,particularly those residing in low-level air pollution locations,remains scarce.This study investigated the potential links between long-term low-level air pollution exposure and mortality among Chinese older adults.Methods A population-based study with 317,464 individuals aged≥65 years was conducted in Shenzhen,China during 2018 and 2020.Logistic regression models were used to analyze the associations between long-term exposure to air pollution and all-cause mortality,as the primary outcome,as well as non-accidental,cancer and cardiovascular mortality.Results Significant associations of PM1,PM2.5,PM10,SO2,CO,and O3 exposures with a higher risk of all-cause mortality were found.Adjusted odds ratio(OR)for each 1 µg/m3 increment was 1.49[95%confidence interval(CI):1.46,1.53]for PM1,1.30(1.27,1.32)for PM2.5,1.05(1.04,1.06)for PM10,5.84(5.39,6.32)for SO2,1.04(1.04,1.05)for CO,and 1.02(1.00,1.03)for O3,respectively.Long-term PM1,PM2.5,PM10,SO2,and CO exposures also elevated the risks of non-accidental,cancer and cardiovascular mortality.Conclusion Long-term low-level air pollution exposure was associated with an increased mortality risk among Chinese older adults.

Ambient air pollutionMortalityOlder adultsPopulation-based studyLow-level concentrations

Likun Liu、Xueli Yuan、Wenqing Ni、Jing Wei、Tingting Liu、Ruijun Xu、Yingxin Li、Zihua Zhong、Yi Zheng、Sihan Liang、Rui Wang、Jian Xu、Yuewei Liu

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Department of Epidemiology,School of Public Health,Sun Yat-sen University,Guangzhou 510080,Guangdong,China

Department of Elderly Health Management,Shenzhen Center for Chronic Disease Control,Shenzhen 518020,Guangdong,China

Department of Atmospheric and Oceanic Science,Earth System Science Interdisciplinary Center,University of Maryland,College Park,MD 20740,USA

Shenzhen Maternity&Child Healthcare Hospital,Shenzhen 518017,Guangdong,China

LuoHu District Chronic Disease Hospital,Shenzhen 518024,Guangdong,China

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2024

生物医学与环境科学(英文版)
中国疾病预防控制中心

生物医学与环境科学(英文版)

CSTPCD
影响因子:0.76
ISSN:0895-3988
年,卷(期):2024.37(12)