A case-control study was conducted to evaluate the relationship between physical activity and coronary heart disease (CHD) in men. A total of 406 men newly diagnosed with CHD were included together with 406 men of similar ages who did not have CHD. The risk of CHD (measured by the OR) was higher among men who were inactive or only moderately active (collectively called 'inactive') than among those who were physically active: Inactive Active Total Cases with CHD Controls without CHD 299 270 107 136 406 406 Odds ratio for inactive men compared to active men= (299 x 136)/(270 x 107)=1.41 Suppose there is no misclassification in these data. Total 406 406 812 What would the observed OR have been...

A case-control study was conducted to evaluate the relationship between physical activity and coronary heart disease (CHD) in men. A total of 406 men newly diagnosed with CHD were included together with 406 men of similar ages who did not have CHD. The risk of CHD (measured by the OR) was higher among men who were inactive or only moderately active (collectively called 'inactive') than among those who were physically active: Inactive Active Total Cases with CHD Controls without CHD 299 270 107 136 406 406 Odds ratio for inactive men compared to active men= (299 x 136)/(270 x 107)=1.41 Suppose there is no misclassification in these data. Total 406 406 812 What would the observed OR have been...

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter18: Genetics Of Behavior

Section: Chapter Questions

Problem 10QP

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