A casecontrol found for the association between smoking and

A case-control found for the association between smoking and coronary heart disease an OR = 1.7 with a confidence interval 1.3-1.9. What is the interpretation for the result?

a) We can reject the hypothesis that smoking and coronary heart disease have no association

b) We cannot reject the hypothesis that smoking causes coronary heart disease have no association

c) The OR is too low to say the results are statistically significant.

d) A and C

e) B and C

f) None of the above.

Solution

d) A and C

a) We can reject the hypothesis that smoking and coronary heart disease have no association

c) The OR is too low to say the results are statistically significant.