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EPI201: Homework 3 Page 1 of 5 NAME: Mariel Arvizu EPI201: Fall 2014 Homework 3 Part I 1.The authors adjusted for professional status in their analysis of the association between floor of residence and all-cause mortality. Do you think that the authors made the correct decision? Using your subject matter knowledge and the information in the paper, discuss whether or not professional status would possess the properties of a confounder. Part II 1.What is the base population for this study? 2.How were the cases and controls defined and identified?