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eha (version 2.4-5)

mort: Male mortality in ages 40-60, nineteenth century

Description

Males born in the years 1800-1820 and surving at least 40 years in the parish Skellefte<U+00E5> in northern Sweden are followed from their fortieth birthday until death or the sixtieth birthday, whichever comes first.

Usage

data(mort)

Arguments

Format

A data frame with 2058 observations on the following 6 variables.
id
Personal identification number.
enter
Start of duration. Measured in years since the fortieth birthday.
exit
End of duration. Measured in years since the fortieth birthday.
event
a logical vector indicating death at end of interval.
birthdate
The birthdate in decimal form.
ses
Socio-economic status, a factor with levels lower, upper

Details

The interesting explanatory covariate is ses (socioeconomic status), which is a time-varying covariate. This explains why several individuals are representated by more than one record each. Left trucation and right censoring are introduced this way.

References

http://www.ddb.umu.se

Examples

Run this code
data(mort)
coxreg(Surv(enter, exit, event) ~ ses, data = mort)

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