Table 3 shows the number of lung cancer deaths per daily number of cigarettes smoked at the time of completing the 1951

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Table 3 Shows The Number Of Lung Cancer Deaths Per Daily Number Of Cigarettes Smoked At The Time Of Completing The 1951 1 (60.49 KiB) Viewed 52 times

Table 3 shows the number of lung cancer deaths per daily number of cigarettes smoked at the time of completing the 1951 questionnaire (only for male physicians who were nonsmokers and current smokers). The number of cigarettes smoked was available for 136 of the people who died of lung cancer. Number of cigarettes 0 1-14 15-24 +24 Deaths 3 22 54 57 Person-years 42800 38600 38900 25100 a) Estimate the appropriate measure of association and 95% confidence interval for each category of number of cigarettes smoked daily, using the group of non-smokers as the reference category. b) What can be inferred about the estimated measure of association in the different categories of number of cigarettes smoked daily? c) What is the proportion of lung cancer deaths among all smokers that can be attributed smoking? What is the proportion of lung cancer deaths in the total population that can be attributed to smoking? consider that