first involved an assessment of the relationship between cigarette smoking and incidence of lung cancer. For cigarette smokers, the lung cancer incidence rate was Ie = 200
he first involved an assessment of the relationship between cigarette smoking
and incidence of lung cancer. For cigarette smokers, the lung cancer incidence rate was Ie = 200
per 100,000. For nonsmokers, the lung cancer incidence rate was Io = 25 per 100,000. The lung
cancer incidence rate in the entire population was It = 100 per 100,000. The second study
involved an assessment of the relationship between cigarette smoking and incidence of coronary
heart disease. For cigarette smokers, the coronary heart disease incidence rate was Ie = 500 per
100,000. For nonsmokers, it was Io = 250 per 100,000. In the overall population, the coronary
heart disease rate was It = 300.
1. What is relative risk the of developing lung cancer in the first study and of developing
coronary heart disease in the second study? Interpret.
2. From the data involving cigarette smoking and lung cancer incidence, what are the
attributable risk and the attributable-risk percent? Interpret the result.
3. From the data involving cigarette smoking and coronary heart disease incidence, what are the
attributable risk and the attributable-risk percent? Interpret the result.
4. Is cigarette smoking a stronger risk factor for lung cancer or coronary heart disease? Explain.
5. Hypothetically speaking, if cigarette smoking could be eliminated from this population, what
percentage of lung cancer and of coronary heart disease could be avoided
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Using the Public Health Model, describe how one could quantify the risk to a Beatrice employee, with a genetic heart condition, who smokes and lives in Woburn?
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