Socioeconomic inequalities in health in the context of multimorbidity: A Korean panel study

Myung Ki, Yo Han Lee, Yong Soo Kim, Ji Yeon Shin, Jiseun Lim, James Nazroo

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Socioeconomic inequalities in health are commonly known to decrease at late age. Yet, it remains unclear whether socioeconomic inequalities in health at late age appear in relation to multimorbidity, particularly in Korea where social support remains unsatisfactory for older people. Using three waves of Korea Health Panel, data of 19,942 observations with repeated measure were constructed to ensure a temporal sequence between three socioeconomic measures (i.e., poverty, employment status, and education) and multimorbidity with a t to t+1 year transition. A multilevel multinomial model was applied to quantify the socioeconomic impact across different age, diseases and disease groups, both separately and in combination. There were associations between socioeconomic position (SEP) and multimorbidity, and increasing trends of socioeconomic inequalities not only with greater number of morbidity but also with age. The latter result was only observed with employment status through mid-to-early old age; i.e., between the 40s (odds ratio (OR) = 2.45, 95% confidence interval (CI):1.08-5.57) and 70s (OR = 3.48, 95%CI: 1.24-9.74). The patterns of socioeconomic inequalities in multimorbidity varied for particular pairs of diseases and were stronger in the disease pairs co-occurring with mental and cardiovascular diseases but weaker in the disease pairs co-occurring with cancer. Accumulation of adversity tended to intensify with increase in number of diseases and older age, though this finding was not consistently supported. The labour market should be encouraged to actively participate in actions to promote healthy aging needs to be complemented by the provision of more generous and universal income support to the elderly in Korea.

Original languageEnglish
Article numbere0173770
JournalPLoS One
Volume12
Issue number3
DOIs
Publication statusPublished - 2017 Mar 1

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Comorbidity
socioeconomics
Health
Korea
Korean Peninsula
odds ratio
Odds Ratio
confidence interval
Confidence Intervals
labor market
Poverty
Social Support
poverty
Cardiovascular Diseases
cardiovascular diseases
morbidity
education
income
Morbidity
Aging of materials

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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Socioeconomic inequalities in health in the context of multimorbidity : A Korean panel study. / Ki, Myung; Lee, Yo Han; Kim, Yong Soo; Shin, Ji Yeon; Lim, Jiseun; Nazroo, James.

In: PLoS One, Vol. 12, No. 3, e0173770, 01.03.2017.

Research output: Contribution to journalArticle

Ki, Myung ; Lee, Yo Han ; Kim, Yong Soo ; Shin, Ji Yeon ; Lim, Jiseun ; Nazroo, James. / Socioeconomic inequalities in health in the context of multimorbidity : A Korean panel study. In: PLoS One. 2017 ; Vol. 12, No. 3.
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