Inequality in life expectancy in korea according to various categorizations of the national health insurance premiums as a marker of income

Jinwook Bahk, Hee Yeon Kang, Young Ho Khang

Research output: Contribution to journalArticlepeer-review

Abstract

The purpose of this study was to examine the degree to which the magnitude of income inequality in life expectancy according to different categorization across beneficiary types under the National Health Insurance Service (NHIS) in Korea. We used population and death data in 2017 from the National Health Information Database of the NHIS. Income quintile groups were classified in four ways according to beneficiary type (employee insured, self-employed insured, and Medical Aid beneficiaries). Standard life table procedures were used to calculate life expectancy. The life expectancy gap between the lowest and highest income quintiles was the largest when the entire population was divided into quintiles without distinguishing among types of beneficiaries. In conclusion, we suggest that income quintile indicators in NHIS data, measured without distinguishing among types of beneficiaries, may best represent the magnitude of health inequalities in Korean society. This indicator could be used for future research on health inequalities, as well as for monitoring health inequalities in Korea.

Original languageEnglish
Pages (from-to)640-643
Number of pages4
JournalYonsei Medical Journal
Volume61
Issue number7
DOIs
StatePublished - 2020

Keywords

  • Health policy
  • Life expectancy
  • National health insurance
  • Socioeconomic factors

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