Question: The following Ors are reported for several hypothetical examples. Give you interpretation of the results, assuming all results are statistically significant unless otherwise specified.

a. OR (low-fat diet and colon cancer) = 0.6

b. OR (aerobic exercise and dental caries) = 1.0 (not significant)

c. OR (exposure to side-stream cigarette smoke and lung cancer) = 1.3

d. OR (infectious disease of the pelvis and ectopic pregnancy) = 3.0