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Combined Associations of Physical Activity and Particulate Matter With Subsequent Cardiovascular Disease Risk Among 5-Year Cancer Survivors

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Issue Date
2022-05
Publisher
Wiley-Blackwell
Citation
Journal of the American Heart Association, Vol.11 No.9, p. e022806
Abstract
Background The combined associations of physical activity and particulate matter (PM) with subsequent cardiovascular disease (CVD) risk is yet unclear. Methods and Results The study population consisted of 18 846 cancer survivors who survived for at least 5 years after initial cancer diagnosis from the Korean National Health Insurance Service database. Average PM levels for 4 years were determined in administrative district areas, and moderate-to-vigorous physical activity (MVPA) information was acquired from health examination questionnaires. A multivariable Cox proportional hazards model was used to evaluate the risk for CVD. Among patients with low PM with particles <= 2.5 mu m (PM2.5; (19.8-25.6 mu g/m(3)) exposure, >= 5 times per week of MVPA was associated with lower CVD risk (adjusted hazard ratio [aHR], 0.77; 95% CI, 0.60-0.99) compared with 0 times per week of MVPA. Also, a higher level of MVPA frequency was associated with lower CVD risk (P for trend=0.028) among cancer survivors who were exposed to low PM2.5 levels. In contrast, >= 5 times per week of MVPA among patients with high PM2.5 (25.8-33.8 mu g/m(3)) exposure was not associated with lower CVD risk (aHR, 0.98; 95% CI, 0.79-1.21). Compared with patients with low PM2.5 and MVPA >= 3 times per week, low PM2.5 and MVPA <= 2 times per week (aHR, 1.26; 95% CI, 1.03-1.55), high PM2.5 and MVPA >= 3 times per week (aHR, 1.34; 95% CI, 1.07-1.67), and high PM2.5 and MVPA <= 2 times per week (aHR, 1.38; 95% CI, 1.12-1.70) was associated with higher CVD risk. Conclusions Cancer survivors who engaged in MVPA >= 5 times per week benefited from lower CVD risk upon low PM2.5 exposure. High levels of PM2.5 exposure may attenuate the risk-reducing effects of MVPA on the risk of CVD.
ISSN
2047-9980
URI
https://hdl.handle.net/10371/182639
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Biomedical Sciences (대학원 의과학과)Journal Papers (저널논문_의과학과)
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