take an important confounder into account, you may: O Underestimate the effect of the exposure on the outcome Overestimate the effect of the exposure on the outcome Underestimate the risk of the outcome in the population Overestimate the risk of the outcome in the population None of the above Question 32 1 pts You are an epidemiologist studying the impact of obesity (exposure) on risk of heart attack (outcome). Your work shows you that obesity raises blood pressure because the heart has to work harder to pump blood in larger bodies. Your work also shows you that the strain of high blood pressure on the heart increases the risk of heart attack in obese people. O This information tells you that high blood pressure is a confounder in the relationship between obesity and heart attack. This information tells you that high blood pressure is an effect modifier of the relationship between obesity and heart attack. This information tells you that high blood pressure is a mediator in the relationship between obesity and heart attack. This information tells you that high blood pressure is causes obesity