This data set contains results from a survey of age and smoking status carried out in Whickham, a small town in northeast England. The survey was conducted in 1972-1974. Twenty years later, a follow-up was conducted to determine whether the subjects were still alive or not. This dataset contains only a subset of the original sample: women who were either current smokers or had never smoked.
Smoking
: (Nonsmoker, Smoker)Age
: (18-54, 55-64, 65-); age of woman at the time of the original 1972-1974 surveySurvival
: (Alive, Dead); whether the woman was alive or not at time of follow-up 20 years laterI obtained the data from the mosaic
package in R
, who, in turn, obtained the data from:
Appleton DR, French JM, Vanderpump MPJ (1996). Ignoring a covariate: an example of Simpson’s paradox. The American Statistician, 50:340-341.