Ille-et-Vilaine study data
Description
Dataset used in Chapter 5 of Regression Methods in Biostatistics (2nd edition), as distributed on the UCSF companion website. Study design: Unmatched case-control study of esophageal cancer and alcohol/tobacco exposures in France. Primary article: Tuyns and colleagues (1977), International Journal of Cancer.
Usage
esoph
Format
A data frame with 975 rows and 7 variables:
- case
- Case status (1=case, 0=control)
- age
- Age or age category at baseline (as coded in source data).
- agegp
- Age-group category.
- tob
- Tobacco consumption gm/day
- tobgp
- Grouped tobacco consum.
- alc
- Alcohol consumption gm/day
- alcgp
- Grouped alcohol consum.