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01.12.2017 | Research | Ausgabe 1/2017 Open Access

Population Health Metrics 1/2017

Estimating the contribution of mortality selection to the East–West German mortality convergence

Zeitschrift:
Population Health Metrics > Ausgabe 1/2017
Autoren:
Tobias C. Vogt, Trifon I. Missov

Abstract

Background

Before German reunification, old-age mortality was considerably higher in East Germany than West Germany but converged quickly afterward. Previous studies attributed this rapid catch-up to improved living conditions. We add to this discussion by quantifying for the first time the impact of mortality selection.

Methods

We use a gamma-Gompertz mortality model to estimate the contribution of selection to the East–West German mortality convergence before and after reunification.

Results

We find that, compared to the West, frailer East Germans died earlier due to deteriorating mortality conditions leading to converging mortality rates for women and men already over age 70 before 1990. After 1990, the selection of frailer individuals played only a minor role in closing the East–west German mortality gap. However, our study suggests that, after reunification, old-age mortality improved quickly because the more robust population in the East benefitted greatly from ameliorating external factors such as health care and better living standards.

Conclusion

Our results from a natural experiment show that selection of frail individuals plays an important role in population-level mortality dynamics. In the case of the German reunification, East German old-age mortality already converged before 1990 because of stronger selection pressure.
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