Associations between Ambient Particulate Matter and Nitrogen Dioxide and Chronic Obstructive Pulmonary Diseases in Adults and Effect Modification by Demographic and Lifestyle Factors

Dirga Kumar Lamichhane, Jong Han Leem and Hwan Cheol Kim
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Dirga Kumar Lamichhane: Department of Social and Preventive Medicine, College of Medicine, Inha University, Incheon 22212, South Korea
Jong Han Leem: Department of Occupational and Environmental Medicine, College of Medicine, Inha University, Incheon 22212, South Korea
Hwan Cheol Kim: Department of Occupational and Environmental Medicine, College of Medicine, Inha University, Incheon 22212, South Korea

IJERPH, 2018, vol. 15, issue 2, 1-14

Abstract: This study was undertaken to investigate the associations between chronic exposure to particulate matter of medium aerodynamic diameter ≤10 or ≤2.5 µm (PM 10 or PM 2.5 ) and nitrogen dioxide (NO 2 ) levels and lung function and to examine a possible change in these relationships by demographic and lifestyle factors. Chronic obstructive pulmonary disease (COPD) was defined using the Global Initiative for COPD criteria (forced expiratory volume in 1 second (FEV1)/forced vital capacity (FVC) of <70%). Associations of lung function and COPD with PM 10 or PM 2.5 or NO 2 were examined using linear and logistic regression analyses among 1264 Korean adults. The highest tertiles of PM 2.5 (≥37.1 μg/m 3 ) and NO 2 (≥53.8 μg/m 3 ) exposure were significantly associated with COPD (highest versus lowest tertile of PM 2.5 : adjusted odds ratio (OR) = 1.79, 95% CI: 1.02–3.13; highest versus lowest tertile of NO 2 : adjusted OR = 1.83, 95% CI: 1.04–3.21). A 10 μg/m 3 increase in PM 10 concentration was associated with a 1.85 L (95% CI –3.65 to –0.05) decrease in FEV1 and a 1.73 L (95% CI –3.35 to –0.12) decrease in FVC, with the strongest negative association among older people and those with less education. Reduced lung function was associated with PM 2.5 exposure in subjects with no physical activity. This study provides evidence that exposure to ambient air pollution has adverse effects on lung function in adults.

Keywords: adults; COPD; lung function; particulate matter; nitrogen dioxide (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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