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Association between Oral Health and Cognitive Function among Korean Older Population

  • The Journal of Transdisciplinary Studies
  • Abbr : JTS
  • 2023, 7(3), pp.263-274
  • Publisher : The Society for Transdisciplinary Studies
  • Research Area : Interdisciplinary Studies > Interdisciplinary Research
  • Received : October 17, 2023
  • Accepted : December 11, 2023
  • Published : December 31, 2023

Ju-Young Lee 1 Yang Jeong Min 1 Jae-Hyun Kim 1

1단국대학교

Accredited

ABSTRACT

The purpose of this study is to investigate the association between oral health and cognitive function in the population aged 55 and older in Korea. Using data from the 2018 Korean longitudinal Study of Aging (KLoSA), a total of 5,578 participants were analyzed after excluding missing values. Chi-square tests, complex sample design, and multiple linear regression were conducted to assess the relationship between oral health status and cognitive function. For each one-unit increase in the Geriatric Oral Health Assessment Index (GOHAI), the Korean Mini-Mental State Examination (K-MMSE) score increased statistically significantly by 0.004 points. Stratified analysis by gender and age revealed that both female and male groups showed statistically significant associations between the Elderly Oral Health Assessment Index and K-MMSE score. Particularly, a strong association between the Elderly Oral Health Assessment Index and K-MMSE score was found in the group aged 65 and above. Based on the findings of this study, there is a need to improve oral health in the population aged 65 and above to achieve maximum cognitive function improvement with a one-unit increase in the Elderly Oral Health Assessment Index. However, there is still room for improvement. Therefore, this study aims to provide foundational data for establishing the importance of oral health management and specific management strategies for this group.

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