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1) A) Case-control studies are frequently used to identify factors that can contribute to a medical condition. So subjects with the disease and without the disease (control group) are compared. This type of study is pretty similar to cohort studies except case-control studies deal with “rare outcomes” (e.g. cancer in this exercise) and typically don’t require follow-up questions.
2) A) The exposure status variable would be the lifestyle variables given to us. In other words, one example would pertain to drinking or not drinking coffee....
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