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Accelerometer-assessed light physical activity is protective of future cognitive ability: A longitudinal study among community dwelling older adults

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cris.lastimport.scopus2026-02-26T16:02:18Z
dc.creatorStubbs, Brendon
dc.creatorChen, Li-Jung
dc.creatorChang, Chun-Yi
dc.creatorSun, Wen-Jung
dc.creatorKu, Po-Wen
dc.date2017-05
dc.date.accessioned2021-11-08T06:55:04Z
dc.date.accessioned2025-07-28T15:04:25Z
dc.date.available2021-11-08T06:55:04Z
dc.date.issued2021-11-08T06:55:04Z
dc.description.abstractObjective: Physical activity (PA), especially moderate-to-vigorous intensity, could protect older adults from cognitive impairment. However, most literature is based on self-reported PA which is limited by recall bias. Light PA is popular among older adults, but a paucity of objective longitudinal data has considered the relationship between light PA and cognitive ability. We examined if a higher level of objectively measured light PA, independent of moderate-to-vigorous physical activity (MVPA), was prospectively associated with better cognitive ability in older adults. Methods: A longitudinal study over 22.12 (+/- 1.46) months including 274 community-dwelling older adults across 14 regions in Taiwan was undertaken. Cognitive ability was obtained using a Chinese version of the Ascertain Dementia 8-item Questionnaire (AD8) and light PA and MVPA captured by 7 days accelerometer positioned on waist. Multivariable negative binomial regression adjusted for confounders were undertaken. Results: 274 participants (74.52 years, 45.6% male) attended the follow-up (96.1%). Higher light PA, independent from MVPA, was associated with a reduced rate of decline in cognitive ability (rate ratio 0.75 [0.60-0.92]). MVPA, was also associated with a reduced decline in cognitive ability (rate ratio 0.85 [0.75-0.95]). Light PA was protective of cognitive ability in sensitivity analyses removing participants with activities of daily living difficulties, depressive symptoms and cognitive impairment at baseline. Conclusion: Our data suggest that light PA may offer a protective influence of future cognitive ability in community dwelling older adults. The promotion of light PA may be a valuable means to maintain cognitive ability in older age. (C) 2017 Elsevier Inc. All rights reserved.
dc.format.extent146 bytes
dc.format.mimetypetext/html
dc.identifier.doi10.1016/j.exger.2017.03.003
dc.identifier.issn0531-5565
dc.identifier.urihttps://ir.ntus.edu.tw/handle/987654321/65597
dc.languageen_US
dc.publisherOXFORD, ENGLAND: PERGAMON-ELSEVIER SCIENCE
dc.relationEXPERIMENTAL GERONTOLOGY, 91
dc.subjectCognitive decline
dc.subjectDementia
dc.subjectLight physical activity
dc.subjectModerate to vigorous physical activity
dc.subjectOlder adults
dc.subjectOld age
dc.subjectCognition
dc.titleAccelerometer-assessed light physical activity is protective of future cognitive ability: A longitudinal study among community dwelling older adults
dc.typearticle
dspace.entity.typePublication

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