Description

Morality data over 20 years for 1314 women from Whickham, England

Format

A data frame with 1314 observations on the following 5 variables.

Outcome

Status at 20-year follow-up (Alive or Dead)

Smoker

Smoker at baseline? (No or Yes)

Age

Age (in years at baseline)

AgeGroup

Age group (18-64 or 65+)

Alive

Numeric code for Outcome (1=alive or 0=dead)

Details

Twenty-year mortality, smoking status, and age for 1314 women in Whickham, England. We have named this Whickham2 to distinguish it from Whickham, which is a file in the mosaicData package.

Source

A version of these data are in the mosaicData package but originally are from:

Appleton, D. R., French, J. M., and Vanderpump, M.P. (1996), "Ignoring a Covariate: An Example of Simpson's Paradox," The American Statistician, 50, 340-341.