Kaiser Permanente members who were more physically active prior to being diagnosed with COVID-19 had a lower risk of severe outcomes, according to research published Dec. 15, 2022, in the American Journal of Preventive Medicine.
had chronic medical conditions. Black, Hispanic, and Asian patients had a greater risk of adverse outcomes compared with white patients, in line with prior research. However, within each racial and ethnic group, more exercise was still associated with less severe COVID-19 outcomes.
"The main message is that every little bit of physical activity counts," said the study's lead author, Deborah Rohm Young, Ph.D., the director of the Division of Behavioral Research for the Kaiser Permanente Southern California Department of Research & Evaluation."The more exercise the better, no matter a person's race, ethnicity, age, sex, or chronic conditions."
This research builds on earlier studies by closely examining the association between exercise and COVID-19 outcomes across demographic groups and chronic conditions.of 194,191 adult patients at Kaiser Permanente in Southern California who were diagnosed with COVID-19 between January 2020 and May 2021, prior to widespread COVID-19 vaccination.
All patients had reported their physical activity levels prior to infection in a routine measure known as the Exercise Vital Sign. Each patient fell into 1 of 5 categories ranging from always inactive—10 minutes of exercise or less per week, to always active—150 minutes of exercise per week. Statistical analysis showed that the more physical activity a patient reported, the lower the risk of hospitalization or death within 90 days of COVID-19 diagnosis. This trend was consistent across all activity levels, with always-active patients facing the lowest risk.
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