male.mortality {eha} | R Documentation

## 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 Skellefteå in northern Sweden are followed from their fortieth birthday until death or the sixtieth birthday, whichever comes first.

### Usage

    data(male.mortality)

### 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.

### Note

This data set is also known, and accessible, as `mort`.

### Source

Data is coming from The Demographic Data Base, Umea University, Umeå, Sweden.

### References

http://www.ddb.umu.se

### Examples

    data(male.mortality)
    coxreg(Surv(enter, exit, event) ~ ses, data = male.mortality)

[Package eha version 2.6.0 Index]