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The Relationship between Physical Exercise and Cognitive Function in Korean Middle Aged and Elderly Adults without Dementia

Author

Listed:
  • Youngseung Koh

    (Yonsei University College of Medicine, Seoul 03722, Korea
    Denotes equal contribution.)

  • Yeonsu Oh

    (Yonsei University College of Medicine, Seoul 03722, Korea
    Denotes equal contribution.)

  • Haesung Park

    (Yonsei University College of Medicine, Seoul 03722, Korea
    Denotes equal contribution.)

  • Woorim Kim

    (Division of Cancer Control & Policy, National Cancer Control Institute, National Cancer Center, Gyeonggi-do 10408, Korea)

  • Eun-Cheol Park

    (Institute of Health Services Research, Yonsei University, Seoul 03722, Korea
    Department of Preventive Medicine, Yonsei University College of Medicine, Seoul 03722, Korea)

Abstract

This study investigated the association between physical exercise and cognitive function in Koreans aged 45 years or above without dementia. Data from the 2006 to 2018 Korean Longitudinal Study of Aging (KLoSA) were used. The general characteristics of the study population were investigated using analysis of variance (ANOVA). The association between total exercise time per week and cognitive function, measured based on the Mini-Mental State Examination (MMSE) scores, was investigated using the generalized estimating equation (GEE) model. Subgroup analysis was conducted based on age, educational level, and marital status. A total of 8888 participants were investigated, of which 5173 (58.2%) individuals did not exercise regularly. Among participants who did exercise, 676 (7.6%) individuals were categorized into the Q1, 1157 (13.0%) into the Q2, 908 (10.2%) into the Q3, and 974 (11.0%) into the Q4 group. The mean MMSE score was 26.81 ± 3.17. Compared to the ‘no’ exercise group, better MMSE scores were found in the Q1 (β: 0.3523, p ≤ 0.0001), the Q2 (β: 0.2011, p ≤ 0.0001), the Q3 (β: 0.4075, p ≤ 0.0001), and the Q4 groups (β: 0.3144, p ≤ 0.0001) after adjustment. The magnitude of this association was stronger in participants aged 65 years or above and in single or separated individuals. The findings of this study confirm a positive association between physical exercise and MMSE scores in the middle aged and elderly.

Suggested Citation

  • Youngseung Koh & Yeonsu Oh & Haesung Park & Woorim Kim & Eun-Cheol Park, 2020. "The Relationship between Physical Exercise and Cognitive Function in Korean Middle Aged and Elderly Adults without Dementia," IJERPH, MDPI, vol. 17(23), pages 1-11, November.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:23:p:8821-:d:452286
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    References listed on IDEAS

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    3. Little, Roderick J A, 1988. "Missing-Data Adjustments in Large Surveys," Journal of Business & Economic Statistics, American Statistical Association, vol. 6(3), pages 287-296, July.
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    Cited by:

    1. Jin Wang & Jiabin Yu & Xiaoguang Zhao, 2022. "Is Subjective Age Associated with Physical Fitness in Community-Dwelling Older Adults?," IJERPH, MDPI, vol. 19(11), pages 1-10, June.

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