Suppose we repeat the case control study from above to determine if being obese confounds the relationship between blood clots and oral contraceptives The crude odds ratio is calculated and equals 3 25 You stratify your 2x2 tables by BMI (a BMI 25 is considered obese BMI 24 9 is considered a healthy weight) status and find that the stratum specific odds ratio for individuals who are obese is 3 25, and the stratum specific odds ratio for individuals with a healthy weight is 3 25 Based on these results, we would state the obesity is a(n) Confounder Effect modifier Neither a confounder or effect modifier Both a confounder and effect modifier

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Question: Suppose we repeat the case-control study from above to determine if being obese confounds the relationship between blood clots and oral contraceptives. The crude

Suppose we repeat the case-control study from above to determine if being

Suppose we repeat the case-control study from above to determine if being obese confounds the relationship between blood clots and oral contraceptives. The crude odds ratio is calculated and equals 3.25. You stratify your 2x2 tables by BMI (a BMI > 25 is considered obese; BMI

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