Meta analysis of health effects of ambient air pollution exposure in low- and middle-income countries

It is well established that exposure to ambient air pollution affects human health. A majority of literature concentrated on health effects of air pollution in high income countries. Only fewer studies analyzing health effects of air pollution in Low- and Middle-Income Countries (LMICs) are availabl...

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Bibliographic Details
Published in:Environmental research 2023-01, Vol.216 (Pt 4), p.114604-114604, Article 114604
Main Authors: Badida, Pavanaditya, Krishnamurthy, Arun, Jayaprakash, Jayapriya
Format: Article
Language:English
Subjects:
Air Pollutants - analysis
Air Pollutants - toxicity
Air pollution
Air Pollution - adverse effects
Air Pollution - analysis
Case crossover study
Cohort study
Developing Countries
Environmental Exposure - adverse effects
Environmental Exposure - analysis
Health effects
Humans
Lung
Meta analysis
Nitrogen Dioxide - analysis
Particulate Matter - analysis
Particulate Matter - toxicity
Systematic review
Time Factors
Time series study
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Summary:It is well established that exposure to ambient air pollution affects human health. A majority of literature concentrated on health effects of air pollution in high income countries. Only fewer studies analyzing health effects of air pollution in Low- and Middle-Income Countries (LMICs) are available. To bridge this gap in literature, this study investigated short term and long-term health impacts of ambient air pollutants focussed in LMICs. We evaluated Total Non-accidental mortality, Respiratory Mortality, Stroke Mortality, Cardio-vascular Mortality, Chronic Obstructive Pulmonary Disease (COPD), Ischemic Heart Disease (IHD) and Lung Cancer Mortality in LMICs particularly. Random Effects Model was utilised to derive overall risk estimate. Relative Risk (RR) estimates per 10 μg/m3 was used as input for model. Subgroup and Sensitivity Analysis by Design and Country was conducted. A total of 152 studies were included for quantitative analysis. We found positive associations between pollutants and Total Non-accidental mortality for PM10 ((RR:1.0043–1.0036), p 
ISSN:0013-9351
1096-0953
DOI:10.1016/j.envres.2022.114604