An experiment where 89,835 women were randomized to either get a mammogram or a non-mammogram breast screening. The response measured was whether they had died from breast cancer within 25 years.
treatment - a factor with levels control mammogram
breast_cancer_death - a factor with levels no yes
Source
Miller AB. 2014. Twenty five year follow-up for breast cancer incidence and mortality of the Canadian National Breast Screening Study: randomised screening trial. BMJ 2014;348:g366.
Use the following R code to directly access this dataset in R.