The evolution of the disability-adjusted life year (DALY)

Ariel Chen, Kathryn H. Jacobsen, Ashish A. Deshmukh, Scott B. Cantor

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

The disability-adjusted life year (DALY) is a summary health measure that combines mortality and morbidity into a single measure as a way to estimate global disease burden and the effectiveness of health interventions. We review the methodological progression of the DALY, focusing on how the use of life expectancy estimates, disability weights, age weighting, and discounting has evolved since the first DALY reports were published in 1993. These changes have generally improved the metric but have made it difficult for researchers to interpret, compare, and conduct DALY studies.

Original languageEnglish (US)
Pages (from-to)10-15
Number of pages6
JournalSocio-Economic Planning Sciences
Volume49
DOIs
StatePublished - Mar 1 2015

Keywords

  • Burden of disease
  • Cost-effectiveness analysis
  • DALY
  • Health metrics

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Economics and Econometrics
  • Strategy and Management
  • Statistics, Probability and Uncertainty
  • Management Science and Operations Research

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