Abstract
Objectives
This study aimed to investigate whether accelerometer-measured light physical activity (LPA) is associated with cognitive function and whether engaging in ≥3 h/day of LPA can reduce the chance of cognitive impairment among a sample of older adults in Taiwan.
Design
Cross-sectional study.
Setting
An outpatient department in a medical center.
Participants
Participants were community-dwelling older adults aged 65 years and older who were able to walk independently from September 2020 to March 2021.
Measurements
A tri-axial accelerometer was used to measure LPA for 7 consecutive days, and the Mini-Mental State Examination (MMSE) scale was used to assess the chance of cognitive impairment. Multiple linear regression model and binary logistic regression model were performed to examine the association between LPA and MMSE scores.
Results
145 older Taiwanese adults (51.7% men; 81.2±6.8 years; 6.9% at chance of cognitive impairment) were included. After adjusting for moderate-to-vigorous physical activity (MVPA) and wear time, we found that there was a significant association between LPA and cognitive function (95% confidence interval [CI]: 0.64–1.65; P<0.001), and further found that those who engaged in LPA ≥3 h/ day were at reduced chance of cognitive impairment compared with people who engaged in LPA <3 h/day (odds ratio [OR]: 0.16; 95% CI: 0.03–0.80; P=0.025).
Conclusion
This study demonstrated that engaging in LPA ≥3 h/day could be viewed as a protective factor for maintaining cognitive function in older adults. We recommend further longitudinal research to elucidate the association between intensity-specific LPA and cognitive function.
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Acknowledgments
The authors appreciated all participants who attended in this study. Dr Ming-Chun Hsueh received a personal grant from the Ministry of Science and Technology, Taiwan (MOST 109-2410-H-845-037-MY2). Dr Yung Liao received personal grants from the Ministry of Science and Technology, Taiwan (MOST 110-2410-H-003-116). The Ministry of Science and Technology, Taiwan was not involved in the study design, data collection, analysis, and interpretation or writing of the manuscript.
Funding
Funding: This research and the APC was funded by Ministry of Science and Technology of Taiwan (MOST 110-2410-H-003-116 and MOST 109-2410-H-845-037-MY2).
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Contributions
Chi Hsiao: Writing- original draft, formal analysis. Chiung-Jung Wen: Writing- review & editing. Hsin-Yen Yen: Writing- review & editing. Ming-Chun Hsueh: Funding acquisition, Writing- review & editing. Yung Liao: Conceptualization, Writing- review & editing, Funding acquisition, Supervision.
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This study has been performed in accordance with the principles stated in the Declaration of Helsinki. After the participants were asked to sign an informed consent contract, the study began to conduct. The procedure in this study was approved by the Research Ethics Committee of the National Taiwan University Hospital (REC number: 202008046RINC).
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The author reports no conflicts of interest in this work.
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Hsiao, C., Wen, CJ., Yen, HY. et al. Association between Accelerometer-Measured Light-Intensity Physical Activity and Cognitive Function in Older Adults. J Nutr Health Aging 26, 230–235 (2022). https://doi.org/10.1007/s12603-022-1749-0
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DOI: https://doi.org/10.1007/s12603-022-1749-0