According to the U.S. Surgeon General, cigarette smoking is a cause of both lung cancer (LC) and coronary heart disease (CHD).
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Get it written →According to the U.S. Surgeon General, cigarette smoking is a cause of both lung cancer (LC) and coronary heart disease (CHD). Epidemiologic investigators at a major university conducted a five-year prospective cohort study among a representative sample of residents, 60-64 years of age, in a large northeastern portion of the United States. The investigators reported the cumulative incidences for both LC and CHD in the table below. (2 points)
Cumulative Incidence
LC CHD
Population Overall 80 per 100,000 260 per 100,000
Cigarette smokers 190 per 100,000 440 per 100,000
Non-cigarette smokers 20 per 100,000 180 per 100,000
Calculate the relative risks for lung cancer and for coronary heart disease respectively. Interpret your results.
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