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KuriousKhemicals t1_itprpy4 wrote

Reply to comment by Ok_Letter_9284 in Regular physical activity may boost effectiveness of COVID-19 jab. Risk of hospital admission among fully vaccinated healthcare workers was reduced by 60% in the group who engaged in low levels of physical activity, and by 72% and 86% in the medium and high physical activity groups, respectively by Wagamaga

Risk applies to the whole group that was measured, some were hospitalized and some weren't, so being in that group gives you a certain risk. In this context it's essentially equivalent to "rate."

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Ok_Letter_9284 t1_itpsy2d wrote

I see. They didn’t give anybody the vaccine. They used other studies and inferred results. I hate that these studies get as much credit as primary studies.

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