Unit 4 Practice Questions

Calculate the odds ratio for disease given exposure to high daily intake of caffeine (versus low daily intake of caffeine). OR= ad/bc = 17728/29548 = 0.60 Note: For the visually oriented, it may help to remember the OR as a “cross-product” calculation, because you’re multiplying the in an “X” across the standard 2x2 table. ................
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