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Mathematics, 16.04.2020 02:01 Racc
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%.
I. The relative risk of dying for a smoker compared to a non-smoker is:
a. 9.1 for lung cancer and 0.30 for coronary thrombosis.
b. 9.1 for lung cancer and 1.4 for coronary thrombosis.
c. 10.1 for lung cancer and 8.4 for coronary thrombosis.
d. 12.4 for lung cancer and 1.7 for coronary thrombosis.
e. 10.1 for lung cancer and 1.4 for coronary thrombosis.
II. On the basis of the relative risk and etiologic fractions associated with smoking for lung cancer and coronary thrombosis, which of the following statements is most likely to be correct?
a. Smoking does not seem to be causally related to either lung cancer or coronary thrombosis.
b. No comparative statement is possible between smoking and lung cancer or coronary thrombosis.
c. Smoking seems much more likely to be causally related to lung cancer than to coronary thrombosis.
d. Smoking seems much more likely to be causally related to coronary thrombosis than to lung cancer.
e. Smoking seems to be equally causally related to lung cancer and coronary thrombosis.
III. The population etiologic fraction of disease due to smoking is:
a. Cannot be determined from the information provided.
b. 0.80 for lung cancer and 0.28 for coronary thrombosis.
c. 0.83 for lung cancer and 0.28 for coronary thrombosis.
d. 0.80 for lung cancer and 0.18 for coronary thrombosis.
e. 0.83 for lung cancer and 0.18 for coronary thrombosis.
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The death rate per 100,000 for lung cancer is 7 among non-smokers and 71 among smokers. The death ra...
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