Body mass index, performance on activities of daily living and cognition: analysis in two different populations

Miguel Germán Borda, Luis Carlos Venegas-Sanabria, Elkin Garcia-Cifuentes, Ronald Camilo Gomez, Carlos Alberto Cano-Gutierrez, Diego Alejandro Tovar-Rios, Vera Aarsland, Khadija Khalifa, Alberto Jaramillo-Jimenez, Dag Aarsland, Hogne Soennesyn

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Background: With this study, we aim to determine the associations of the different categories of the body mass index (BMI) with activities of daily living (ADL) and cognitive performance in two different populations living in the community; Colombian and South Korean older adults. Methods: We performed a cross-sectional analysis of two surveys separately; The Survey on Health, Well-Being, and Aging in Colombia (SABE) (n = 23,343) and the Korean Longitudinal Study of aging (KLoSA) (n = 4556). Participants older than 50 years were selected from rural and urban areas achieving a representative sample. Here we investigated the association between BMI categories with function using zero-inflated negative binomial regressions, and with cognition using logistic regression models. Results: After adjustment, in Colombia, underweight was associated with an impaired score on the Mini-mental State Examination (MMSE) and worse performance in the instrumental activities of daily living (IADL). Also, being overweight was associated with a better score on the MMSE and the IADL. For both outcomes education level significantly influenced the predictions. In South Korea, there were no significant associations for cognition, IADL, or basic activities of daily living (BADL). Conclusions: In the Colombian population, underweight, was associated with reduced cognitive performance and daily functioning. Additionally, being overweight but not obese was associated with better cognition and daily functioning. In South Korea, there were no significant associations between BMI and cognition, IADL, or BADL.

Original languageEnglish
Article number177
JournalBMC Geriatrics
Volume21
Issue number1
DOIs
StatePublished - Dec 2021
Externally publishedYes

Keywords

  • 80 and over Aged
  • BMI
  • Cognitive impairment
  • Dependency
  • Obesity

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