eha (version 1.4)

infants: Infant mortality and maternal death, Sweeden 1821--1894.

Description

Matched data on infant mortality, from seven parishes in Sweden, 1821--1894.

Usage

data(infants)

source

Data originate from The Demographic Data Base, Umeå University, Umeå, Sweden, http://www.ddb.umu.se.

Details

From 5641 first-born in seven Swedish parishes 1820-1895, from Fleninge in the very south to Nedertorneå in the very north, those whose mother died during their first year of life were selected, in all 35 infants. To each of them, two cotrols were selected by matching on the given covariates.

References

Broström, G. (1987). The influence of mother's death on infant mortality: A case study in matched data survival analysis. Scandinavian Journal of Statistics 14, 113-123.

Examples

data(infants)
fit <- coxreg(Surv(enter, exit, event) ~ strata(stratum) + mother, data
= infants)
fit
fit.w <- phreg(Surv(enter, exit, event) ~ mother + parish + ses, data =
infants)
fit.w ## Weibull proportional hazards model.