Association between physical activity and cognition in Mexican and Korean older adults
Aarsland, Vera; Borda, Miguel Germán; Aarsland, Dag; Garcia-Cifuentes, Elkin; Anderssen, Sigmund Alfred; Tover-Rios, Diego Alejandro; Gomez-Arteaga, Camilo; Perez-Zepeda, Mario Ulises
Peer reviewed, Journal article
Published version
Date
2020Metadata
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Original version
Archives of gerontology and geriatrics. 2020, 89, Artikkel 104047. 10.1016/j.archger.2020.104047Abstract
Introduction: As the world's population ages, the prevalence of cognitive impairment associated with age in- creases. This increase is particularly pronounced in Asia and South-America. The objective of this study was to investigate separately the longitudinal association of physical activity and cognitive function in; older adults in Mexico and South Korea. Materials and Methods: This is a secondary analysis of two surveys, The Mexican Health and aging Study (MHAS) (n = 5853) and Korean Longitudinal Study of aging (KLoSA) (n = 5188), designed to study the aging process of older adults living in Mexico and South Korea. Participants older than 50 years were selected from rural and urban areas achieving a representative sample. Physical activity was assessed using self-report. Cognition was assessed using Cross-Cultural Cognitive Examination (CCCE) and Minimental state examination (MMSE) in Mexico and South Korea respectively. Here we investigate the longitudinal association between physical activity and cognition during 3 years for MHAS and 4 years for KLoSA using multiple linear regression analyses. Results: The prevalence of physical activity was 40.68 % in MHAS and 35.57 % in KLoSA. In the adjusted longitudinal multivariate analysis, an independent association was found between physical activity and MMSE score OR 0.0866 (CI 0.0266-0.1467 p-value 0.0047) in the Korean older adults, while there was no significant association in MHAS. Conclusions: Physical activity could have a protective effect on the cognitive decline associated with aging in the Korean population.
Description
This is an open access article under the CC BY license (http://creativecommons.org/licenses/BY/4.0/).