An epidemiologist found five cases of “big toe cancer” in the Yukon

Territory. Because there were only a few cases, the epidemiologist decided to conduct a matched case-control study to determine whether shoe size larger than 9 is a risk factor for big toe cancer. Cases were individually matched to one control for daily activity, history of athlete’s foot, and history of ingrown toenails. The following data were gathered:

Shoe size > 9
Pair Case Control
1     Yes      No
2      No       No
3      No      Yes
4     Yes     Yes
5      No      Yes

-Compute the proper measure of association.
-Interpret your results.
-If you were to investigate a rare cancer in Lynchburg, where might you look for data?
-What would be necessary legally and ethically to be able to utilize this data set(s)?need 2×2 table.   What constitutes a case? What is “exposure?” What are your A, B, C and D?

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