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Observational Study
. 2021 Sep;24(9):913-918.
doi: 10.1016/j.jsams.2021.05.011. Epub 2021 May 23.

Association of physical activity levels and the prevalence of COVID-19-associated hospitalization

Francis Ribeiro de Souza  1 , Daisy Motta-Santos  2 , Douglas Dos Santos Soares  3 , Juliana Beust de Lima  4 , Gustavo Gonçalves Cardozo  5 , Luciano Santos Pinto Guimarães  6 , Carlos Eduardo Negrão  7 , Marcelo Rodrigues Dos Santos  8
Affiliations
Observational Study

Association of physical activity levels and the prevalence of COVID-19-associated hospitalization

Francis Ribeiro de Souza et al. J Sci Med Sport. 2021 Sep.

Abstract

Objectives: We compared physical activity levels before the outbreak and quarantine measures with COVID-19-associated hospitalization prevalence in surviving patients infected with SARS-CoV-2. Additionally, we investigated the association of physical activity levels with symptoms of the disease, length of hospital stay, and mechanical ventilation.

Design: Observational, cross-sectional.

Methods: Between June 2020 and August 2020, we invited Brazilian survivors and fully recovered patients infected with SARS-CoV-2 to respond to an online questionnaire. We shared the electronic link to the questionnaire on the internet. We collected data about clinical outcomes (symptoms, medications, hospitalization, and length of hospital stay) and cofactors, such as age, sex, ethnicity, preexisting diseases, socioeconomic and educational, and physical activity levels using the International Physical Activity Questionnaire (IPAQ short version).

Results: Out of 938 patients, 91 (9.7%) were hospitalized due to COVID-19. In a univariate analysis, sex, age, and BMI were all associated with hospitalizations due to COVID-19. Men had a higher prevalence of hospitalization (66.6%, p = 0.013). Patients older than 65 years, obese, and with preexisting disease had a higher prevalence of COVID-19-related hospitalizations. In a multivariate regression model, performance of at least 150 min/wk (moderate) and/or 75 min/wk (vigorous) physical activity was associated with a lower prevalence of hospitalizations after adjustment for age, sex, BMI, and preexisting diseases (PR = 0.657; p = 0.046).

Conclusions: Sufficient physical activity levels were associated with a lower prevalence of COVID-19-related hospitalizations. Performing at least 150 min a week of moderate-intensity, or 75 min a week of vigorous-intensity physical activity was associated with 34.3% reduction in prevalence.

Keywords: Exercise training; Physical exercise; SARS-CoV-2; Sedentarism.

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Conflict of interest statement

The authors declare that there is no conflict of interest.

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