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Disparities in mortality by disability: an 11-year follow-up study of 1 million individuals

Author

Listed:
  • Jung Min Park

    (Seoul National University)

  • Ukchan Oh

    (National Pension Research Institute)

  • Beop-Rae Roh

    (Seoul National University)

  • Yeongmin Moon

    (Seoul National University)

Abstract

Objectives This longitudinal study examines to what extent the risk of mortality—all-cause, natural death, suicide, and unintentional injury mortality—differs by types and severity of disabilities as well as disability status. Methods Data were the National Sample Cohort of 1,025,340 individuals in South Korea followed from 2002 to 2013. Cox regression with time-variant variables was used to estimate the hazard ratio of mortality by disability. Results Individuals with disabilities had a higher risk of mortality compared to those without (HR 1.84, 95% CI 1.80–1.88 for natural death; HR 1.83, 95% CI 1.64–2.03 for suicide; HR 1.54, 95% CI 1.38–1.71 for unintentional injury). All types of disability were associated with an increased risk of natural death. Individuals with mental disability were the highest risk group for suicide (HR 7.14, 95% CI 5.31–9.60). People defined as having severe disability had an elevated risk for all categories of mortality. Conclusions Disabilities are important markers of high risk of mortality. Findings call for actions to reduce mortality risk of people with disabilities, including preventing suicidal behaviors of those with mental disability.

Suggested Citation

  • Jung Min Park & Ukchan Oh & Beop-Rae Roh & Yeongmin Moon, 2017. "Disparities in mortality by disability: an 11-year follow-up study of 1 million individuals," International Journal of Public Health, Springer;Swiss School of Public Health (SSPH+), vol. 62(9), pages 989-996, December.
    • Handle: RePEc:spr:ijphth:v:62:y:2017:i:9:d:10.1007_s00038-017-0966-5
    DOI: 10.1007/s00038-017-0966-5
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    References listed on IDEAS

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    1. Majer, I.M. & Nusselder, W.J. & Mackenbach, J.P. & Klijs, B. & Van Baal, P.H.M., 2011. "Mortality risk associated with disability: A population-based record linkage study," American Journal of Public Health, American Public Health Association, vol. 101(12), pages 9-15.
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    Cited by:

    1. Juan Manuel Pérez-Salamero González & Marta Regúlez Castillo & Carlos Vidal-Meliá, 2021. "Mortality and life expectancy trends for male pensioners by pension income level," Documentos de Trabajo del ICAE 2021-02, Universidad Complutense de Madrid, Facultad de Ciencias Económicas y Empresariales, Instituto Complutense de Análisis Económico.
    2. Jinwook Bahk & Hee-Yeon Kang & Young-Ho Khang, 2019. "The Life Expectancy Gap between Registered Disabled and Non-Disabled People in Korea from 2004 to 2017," IJERPH, MDPI, vol. 16(14), pages 1-9, July.
    3. Anne M. Garvey & Manuel Ventura-Marco & Carlos Vidal-Meliá, 2021. "Does the pension system’s income statement really matter? A proposal for an NDC scheme with disability and minimum pension benefits," Economic Research-Ekonomska Istraživanja, Taylor & Francis Journals, vol. 34(1), pages 292-310, January.
    4. J. Iñaki De La Peña & M. Cristina Fernández-Ramos & Asier Garayeta & Iratxe D. Martín, 2022. "Transforming Private Pensions: An Actuarial Model to Face Long-Term Costs," Mathematics, MDPI, vol. 10(7), pages 1-17, March.
    5. Irene Albarrán Lozano & Pablo J. Alonso-González & José Javier Núñez-Velázquez, 2021. "Estimation of Life Expectancy for Dependent Population in a Multi-State Context," IJERPH, MDPI, vol. 18(21), pages 1-13, October.

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