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KMID : 1044520190820040311
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Tuberculosis and Respiratory Diseases
2019 Volume.82 No. 4 p.311 ~ p.318
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Correlation between Physical Activity and Lung Function in Dusty Areas: Results from the Chronic Obstructive Pulmonary Disease in Dusty Areas (CODA) Cohort
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Han Yu-Ri
Heo Yeon-Jeong
Hong Yoon-Ki
Kwon Sung-Ok
Kim Woo-Jin
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Abstract
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Background: Although physical activity is known to be beneficial to lung function, few studies have been conducted to investigate the correlation between physical activity and lung function in dusty areas. Therefore, the purpose of this study is to investigate the correlation between physical activity and lung function in a Korean cohort including normal and COPD-diagnosed participants.
Methods: Data obtained from the COPD in dusty areas (CODA) cohort was analyzed for the following factors: lung function, symptoms, and information about physical activity. Information on physical activity was valuated using questionnaires, and participants were categorized into two groups: active and inactive. The evaluation of the mean lung function, modified Medical Research Council dyspnea grade scores, and COPD assessment test scores was done based on the participant physical activity using a general linear model after adjusting for age, sex, smoking status, pack-years, height, and weight. In addition, a stratification analysis was performed based on the smoking status and COPD.
Results: Physical activity had a correlation with high forced expiratory volume in 1 second (FEV1) among CODA cohort (p=0.03). While the active group exhibited significantly higher FEV1 compared to one exhibited by the inactive group among past smokers (p=0.02), no such correlation existed among current smokers. There was no significant difference observed in lung function after it was stratified by COPD.
Conclusion: This study established a positive correlation between regular physical activity in dusty areas and lung function in participants.
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KEYWORD
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Pulmonary Disease, Chronic Obstructive, Physical Activity, Lung Function Test, Smoking
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