The death rate per 100,000 for lung cancer is 7 among non-smokers and 71 among s

Question

The death rate per 100,000 for lung cancer is 7 among non-smokers and 71 among smokers. The death rate per 100,000 for coronary thrombosis is 422 among non-smokers and 599 among smokers. The prevalence of smoking in the population is 55%. Among smokers, the etiologic fraction of disease due to smoking is:

A) 0.89 for lung cancer and 0.29 for coronary thrombosis.

B)Cannot be determined from the information provided.

C)0.90 for lung cancer and 0.88 for coronary thrombosis.

D)0.89 for lung cancer and 0.88 for coronary thrombosis.

E)0.90 for lung cancer and 0.29 for coronary thrombosis.

Explanation / Answer

Here the answer is (A)

0.89 for lung cancer and 0.29 for coronary thrombosis.

Smoking seems much more likely to be casually related tolung cancer than to coronory thrombosis.

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