Statistical analysis of the standardized mortality ratio and life expectancy

Dejian Lai, Robert J. Hardy, Shan P. Tsai

Research output: Contribution to journalArticle

Abstract

A new theoretical relation that does not require the constant age- specific mortality ratio assumption is established between the standardized mortality ratio (SMR) and the life expectancy. A set of regression equations is developed from the theoretical relation to derive estimates of the future expectation of life from estimates of the SMR. Curves are presented showing the changes in life expectancy that are associated with a given SMR for individuals aged 25, 45, and 65 years. These results will provide practical applications in estimating remaining life expectancy in epidemiologic studies in which the SMR is the summary statistic. An application is shown for studies in occupational health to develop and illustrate the method.

Original languageEnglish (US)
Pages (from-to)832-841
Number of pages10
JournalAmerican Journal of Epidemiology
Volume143
Issue number8
StatePublished - Apr 15 1996
Externally publishedYes

Keywords

  • epidemiologic methods
  • life expectancy
  • mortality
  • regression analysis
  • statistics
  • vital statistics

ASJC Scopus subject areas

  • Epidemiology

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