1) Soda consumption is very common in the U.S. For the purposes of this question, assume that 30% of the population consumes the equivalent of 3 or more 12 oz. sodas per week (this is the prevalence of the exposure). A large multi-center cohort study was conducted to evaluate the association between soda consumption and risk of diabetes. At baseline, participants were asked about their typical soda consumption, and individuals who reported consuming 3 or more sodas per week were considered exposed. Participants were followed for 10 years, and the following results were obtained: Incident Cases of Diabetes 356 236 Person-Years Contributed 3+ sodas a week <3 sodas a week a) Was this a prospective study or a retrospective study, and was it a general cohort or a specific exposure cohort? <3 sodas/wk: 375234 399763 b) Name the appropriate measure of disease (morbidity) frequency and calculate this measure for each group 3+ sodas/wk: c) Name the appropriate relative measure of association for the relationship between soda consumption and diabetes risk. Calculate this measure, and provide a brief interpretation of your answer
1) Soda consumption is very common in the U.S. For the purposes of this question, assume that 30% of the population consumes the equivalent of 3 or more 12 oz. sodas per week (this is the prevalence of the exposure). A large multi-center cohort study was conducted to evaluate the association between soda consumption and risk of diabetes. At baseline, participants were asked about their typical soda consumption, and individuals who reported consuming 3 or more sodas per week were considered exposed. Participants were followed for 10 years, and the following results were obtained: Incident Cases of Diabetes 356 236 Person-Years Contributed 3+ sodas a week <3 sodas a week a) Was this a prospective study or a retrospective study, and was it a general cohort or a specific exposure cohort? <3 sodas/wk: 375234 399763 b) Name the appropriate measure of disease (morbidity) frequency and calculate this measure for each group 3+ sodas/wk: c) Name the appropriate relative measure of association for the relationship between soda consumption and diabetes risk. Calculate this measure, and provide a brief interpretation of your answer
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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