Question

An changessavednDrive Question 23: How many lung cancer deaths per 1,000 persons per year are attributable to smoking among the entire population? How many cardiovascular discase deaths? What do these results tell you? The following table shows the relationship between smoking and lung cancer mortality in terms of the effects of stopping smoking Table 5. Number and rate (per 1,000 person-years) of lung cancer deaths for current smokers and smokers by years since quitting. Doll and Hill physician cobort study, Great Britain, 1951-1961 Lung cancer Rate per 1000 _deaths Rate Ratio Current smokers 141 1.37 19.6 For ex-smokers, years since quitting: <5 years 5-9 years 10-19 years 0.67 0.49 0.18 9.6 7.0 A. асвоо

Answer 1

Given

Current smokers death number per 1000 is 141 people in the eentire population

For ex smoker since quiting is 15 per 1000

so the average lung cancer will be 156

considering the mean of it by dividing with the n number with the sum

This results orefictd nearly 0.078 death among smoking individuals.