Association between physical activity and cognition in Mexican and Korean older adults |
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| Institution: | 1. Centre for Age-Related Medicine (SESAM), Stavanger University Hospital, Stavanger, Norway;2. School of Medicine, Semmelweis University, Budapest, Hungary;3. Semillero De Neurociencias y Envejecimiento, Aging Institute, Medical School, Pontificia Universidad Javeriana, Bogotá, Colombia;4. Faculty of Health Sciences, University of Stavanger, Stavanger, Norway;5. Department of Old Age Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK;6. Grupo De Neurociencias De Antioquia, Medical School, Universidad de Antioquia, Medellin, Colombia;7. Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo, Norway;8. Unidad Geriatría Hospital Universitario San Ignacio, Bogotá, Colombia;9. Universidad Del Valle, School of Statistics, Faculty of engineering, Santiago De Cali, Valle Del Cauca, Colombia;10. Geriatric Medicine Research, Dalhousie University and Nova Scotia Health Authority, Halifax, NS, Canada;11. Geriatric Epidemiology Research Department, Instituto Nacional De Geriatría (INGER), Mexico City, Mexico;12. Universidad Autónoma de Occidente, Faculty of Basic Sciences, Department of mathematics and statistics, Santiago de Cali, Colombia |
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| Abstract: | IntroductionAs the world's population ages, the prevalence of cognitive impairment associated with age increases. 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 MethodsThis 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.ResultsThe 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.ConclusionsPhysical activity could have a protective effect on the cognitive decline associated with aging in the Korean population. |
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| Keywords: | Physical activity Cognition Aged Dementia Cognitive impairment |
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