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KMID : 0828520110150020090
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Journal of the Korean Geriatrics Society
2011 Volume.15 No. 2 p.90 ~ p.98
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Relationship between Physical Activity and Cognitive Function in the Elderly
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Seo Jae-Seok
Koh Sang-Hyun
Lee Yun-Hwan
Back Joung-Hwan
Noh Jai-Sung
Kim Hyun-Chung
Hong Chang-Hyung
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Abstract
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BackgroundAmong non-pharmaceutical preventive measures for cognitive impairment, physical activity is known to be important. We tried to examine the correlation between physical activity and cognitive function.
Methods:This study was based on the Suwon Project, which was a cohort comprising of nonrandom convenience samples of ethnic Koreans aged 60 years and above. All the subjects completed the study questionnaire including their demographic characteristics, current and past illnesses history, drug history, Korean version-Mini Mental State Examination(K-MMSE), SGDS-K(Korean version of Short Form Geriatric Depression Scale), BAI(Beck Anxiety Inventory). We checked the total minutes spent per day for each 10 physical activities through the checklist.
Results:The total time spent in 10 physical activities was 91.9±98.9 minutes per day. On multiple logistic regression analysis, total time of physical activity was associated with K-MMSE score after adjustment with age, sex, education, depression, anxiety and chronic medical illness (β=0.002, p<0.05). Interestingly, when we categorized physical activities in three groups according to their intensity, physical activity of moderate intensity had a direct correlation with cognitive function(β=0.002, p<0.05).
Conclusion:Our result suggested that physical activity may be associated with cognitive function in the community after adjusting age, sex, education, depression, anxiety, chronic medical illness.
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KEYWORD
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Physical activity, Cognition, Elderly
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