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Decomposition of disparities in life expectancy with applications to administrative health claims and registry data

Author

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  • Akushevich, I.
  • Yashkin, A.
  • Kovtun, M.
  • Stallard, E.
  • Yashin, A.I.
  • Kravchenko, J.

Abstract

Research shows that geographic disparities in life expectancy between leading and lagging states are increasing over time while racial disparities between Black and White Americans have been going down. In the 65+ age strata morbidity is the most common cause of death, making differences in morbidity and associated adverse health-related outcomes between advantaged and disadvantaged groups an important aspect of disparities in life expectancy at age 65 (LE65). In this study, we used Pollard’s decomposition to evaluate the disease-related contributions to disparities in LE65 for two types of data with distinctly differing structures: population/registry and administrative claims. To do so, we analyzed Pollard’s integral, which is exact by construction, and developed exact analytic solutions for both types of data without the need for numerical integration. The solutions are broadly applicable and easily implemented. Applying these solutions, we found that the largest relative contributions to geographic disparities in LE65 were chronic lower respiratory diseases, circulatory diseases, and lung cancer; and, to racial disparities: arterial hypertension, diabetes mellitus, and cerebrovascular diseases. Overall, the increase in LE65 observed over 1998–2005 and 2010–2017 was primarily due to a reduction in the contributions of acute and chronic ischemic diseases; this was partially offset by increased contributions of diseases of the nervous system including dementia and Alzheimer’s disease.

Suggested Citation

  • Akushevich, I. & Yashkin, A. & Kovtun, M. & Stallard, E. & Yashin, A.I. & Kravchenko, J., 2023. "Decomposition of disparities in life expectancy with applications to administrative health claims and registry data," Theoretical Population Biology, Elsevier, vol. 153(C), pages 50-68.
    • Handle: RePEc:eee:thpobi:v:153:y:2023:i:c:p:50-68
    DOI: 10.1016/j.tpb.2023.05.001
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