Question: Please refer to the table below, which shows data obtained from a cohort study. Risk factor Disease : colon cancer No disease : No colon

Please refer to the table below, which shows data obtained from a cohort study.

Risk factor

Disease: colon cancer

No disease: No colon cancer

Exposed: PA < 150min

30

70

Unexposed: PA > 150min

30

120

Calculate risk ratio for colon cancer in individuals who did PA < 150 minutes?

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