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Copyright of Prävention und Gesundheitsförderung is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Prävention und Gesundheitsförderung is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objectives: To investigate the potential protective role of exercise on the odds of COVID-19 infection in unvaccinated contact persons (CPs) who were at higher risk of infection due to confirmed contact with infected persons. Methods: Before the onset of the vaccination campaign, the first wave of the CoCo-Fakt online survey was conducted with SARS-CoV-2-positive persons and their confirmed contacts who were isolated/quarantined between 1 March 2020 and 9 December 2020. Within this analysis, 5338 CPs were included and divided into those who subsequently tested positive (CP-P) and those who remained negative (CP-N). We assessed demographics as well as pre-pandemic lifestyle characteristics including physical activity (PA; type, frequency, time, intensity; duration clustered as 'below PA guidelines', 'meeting PA guidelines', and 'above PA guidelines'; intensity clustered as 'low intensity' and 'moderate-to-vigorous intensity') and sedentary behaviour. Results: A greater percentage of CP-Ns reported being active before the pandemic compared to CP-Ps (69% vs. 63%; p =.004). Moreover, CP-Ns reported higher PA duration (164.1 min/week vs. 143.2 min/week; p =.038) and higher PA intensities than CP-Ps (67% vs. 60% moderate-to-vigorous intensity, 33% vs. 40% low intensity; p =.003). Adjusting for age, sex, socioeconomic status, migration background, and pre-existing chronic diseases, the odds of infection were negatively associated with exercise (yes/no) (Nagelkerke R2 = 1.9%), PA levels above PA guidelines (Nagelkerke R2 = 2.0%), and PA intensity (Nagelkerke R2 = 1.8%). Conclusion: Due to the beneficial effects of PA on the odds of infection, an active lifestyle should be promoted especially during possible subsequent pandemics (while taking into account necessary hygiene measures). Moreover, inactive and chronically ill persons should be especially encouraged to adopt a healthier lifestyle. [ABSTRACT FROM AUTHOR]