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Age is believed to confound the relationship between diet and Crohns disease, stratifying by the 3-levels of age: <20, 20-40

a. What is the crude RR for the E-D association? b. Prove Age is (or is not) a confounder by determining the adjusted RR, mag

Age is believed to confound the relationship between diet and Crohn's disease, stratifying by the 3-levels of age: 40 we get: Age: 20 Age: 20-40 Age > 40 D' 12 39 D' 84 52 E 22 42 62 3 1 E 46 21 47 13
a. What is the crude RR for the E-D association? b. Prove Age is (or is not) a confounder by determining the adjusted RR, magnitude, and direction of confounding
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