Question
In a cohort study the risk ration for COPD for moderate smokers versus non-smokers was 3.0. For heavy smokers compared to non-smokers, the risk ration
In a cohort study the risk ration for COPD for moderate smokers versus non-smokers was 3.0. For heavy smokers compared to non-smokers, the risk ration was 9.0.
a) What would the risk ratio be for non-smokers, if heavy smokers were the reference category (2 decimal places)?
b) What would the risk ration be for moderate smokers, if heavy smokers were the reference category (2 decimal places)?
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College Algebra Graphs and Models
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
5th edition
321845404, 978-0321791009, 321791002, 978-0321783950, 321783956, 978-0321845405
