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0 0.5 1 1.5 2+ Mortality 26% Improvement Relative Risk Mortality (b) 38% Case 7% Case (b) 10% Exercise for COVID-19  Park et al.  Prophylaxis Does physical activity reduce risk for COVID-19? Retrospective study in South Korea (January - August 2020) Fewer cases with higher activity levels (p=0.016) Park et al., Frontiers in Public Health, Feb 2023 Favors exercise Favors inactivity

Pre-pandemic physical activity as a predictor of infection and mortality associated with COVID-19: Evidence from the National Health Insurance Service

Park et al., Frontiers in Public Health, doi:10.3389/fpubh.2023.1072198
Feb 2023  
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Retrospective 4,363 COVID-19 patients and 67,125 controls in South Korea, showing higher risk of mortality and cases with insufficient physical activity.
risk of death, 25.6% lower, OR 0.74, p = 0.08, inverted to make OR<1 favor high activity levels, sufficient vs. insufficient PA, model 3, RR approximated with OR.
risk of death, 38.4% lower, OR 0.62, p = 0.02, inverted to make OR<1 favor high activity levels, sufficient vs. insufficient PA, model 2, RR approximated with OR.
risk of case, 7.2% lower, OR 0.93, p = 0.02, inverted to make OR<1 favor high activity levels, sufficient vs. insufficient PA, model 3, RR approximated with OR.
risk of case, 10.4% lower, OR 0.90, p < 0.001, inverted to make OR<1 favor high activity levels, sufficient vs. insufficient PA, model 2, RR approximated with OR.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Park et al., 14 Feb 2023, retrospective, South Korea, peer-reviewed, survey, 4 authors, study period 1 January, 2020 - 14 August, 2020.
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Pre-pandemic physical activity as a predictor of infection and mortality associated with COVID-: Evidence from the National Health Insurance Service
Yanan Zhao, Jennifer Hale-Gallardo, Saengryeol Park, Hyeseong Kim, So-Youn Park, In-Hwan Oh
Introduction: During the coronavirus disease (COVID-) pandemic, many populations have experienced reduced physical activity (PA) levels, weight gain, and increased anxiety and depression. However, according to a previous study, engaging in PA has a positive e ect on damages caused by COVID-. Therefore, this study aimed to investigate the association between PA and COVID-using the National Health Insurance Sharing Service Database in South Korea. Methods: Logistic regression analysis was used to analyze the association of PA with COVID-and mortality. The analysis was adjusted for body mass index, sex, age, insurance type, comorbidity, and region of residence at baseline. Disability and lifestyle (weight, smoking, and drinking status) were adjusted consecutively. Results: The results indicated that engaging in insu cient PA as per the WHO guidelines predicts a higher risk of COVID-when controlling for personal characteristics, comorbidity, lifestyle, disability, and mortality. Discussion: This study revealed the need to engage in PA and manage weight to reduce the risk of infection and mortality associated with COVID-. Because engaging in PA is an important component of weight management and can help restore physical and mental health after the COVID-pandemic, it should be emphasized as a pillar of recovery after COVID-.
Author contributions Conceptualization and analysis: I-HO and S-YP. Writing: SP and HK. All authors contributed to the article and approved the submitted version. Conflict of interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Publisher's note All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.
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