Plant-based or pescatarian diets were associated with lower odds of moderate to severe COVID-19
There were 568 COVID-19 cases and 2316 controls. Among the 568 cases, 138 individuals had moderate-to-severe COVID-19 severity whereas 430 individuals had very mild to mild COVID-19 severity.
After adjusting for important confounders, participants who reported following ‘plant-based diets’ and ‘plant-based diets or pescatarian diets’ had 73% and 59% lower odds of moderate-to-severe COVID-19 severity, respectively, compared with participants who did not follow these diets.
Compared with participants who reported following ‘plant-based diets’, those who reported following ‘low carbohydrate, high protein diets’ had greater odds of moderate-to-severe COVID-19. No association was observed between self-reported diets and COVID-19 infection or duration.
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