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1. Consider each of the following scenarios and state whether or not the variable in question
is a confounder, and why. A study of the risk of pulmonary hypertension among women who take diet drugs to lose
weight. The crude relative risk of pulmonary hypertension comparing diet drug users to non-
users is 17.0 and the age adjusted relative risk is 5.0. Is age a confounder in this study? A cohort study of liver cancer among alcoholics. Incidence rates of liver cancer among
alcoholic men are compared to a group of non-alcoholic men. Is gender a confounder in this
study? A case-control study of the risk of beer consumption and oral cancer among men. In this
study, cigarette smoking is associated with beer consumption and is a risk factor for oral cancer
among both beer drinkers and nondrinkers. Is cigarette smoking a confounder in this study

Top Answer

Question 1 Yes, age is a confounder in this study. This is because it has a hidden influence... View the full answer

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