Associations of accelerometer-determined physical activity and sedentary behavior with sarcopenia and incident falls over 12 months in community-dwelling Swedish older adults

Journal article


Scott, David, Johansson, Jonas, Gandham, Anoohya, Ebeling, Peter, Nordström, Peter and Nordström, Anna. (2021). Associations of accelerometer-determined physical activity and sedentary behavior with sarcopenia and incident falls over 12 months in community-dwelling Swedish older adults. Journal of Sport and Health Science. 10(5), pp. 577-584. https://doi.org/10.1016/j.jshs.2020.01.006
AuthorsScott, David, Johansson, Jonas, Gandham, Anoohya, Ebeling, Peter, Nordström, Peter and Nordström, Anna
Abstract

Purpose: This study was aimed to determine associations of accelerometer-determined time and bouts of sedentary behavior, light physical activity (LPA), and moderate-to-vigorous PA (MVPA) with sarcopenia and incident falls over 12 months.

Methods: A total of 3334 Swedish 70-year-olds were assessed for sarcopenia, as defined by the revised definition of the European Working Group on Sarcopenia in Older People. Assessments were based on low scores for appendicular lean mass (dual-energy X-ray absorptiometry), hand grip strength, and the Timed Up and Go test. For 7 days after baseline, total time and total number of bouts (≥10 min of continuous activity at a given intensity) of activity performed at sedentary, LPA, and MVPA intensities were assessed by accelerometer. Incident falls were self-reported 6 months and 12 months after baseline.

Results: Only 1.8% of participants had probable or confirmed sarcopenia. After multivariable adjustment for other levels of activity, only greater MVPA time was associated with a decreased likelihood of having low appendicular lean mass, low hand grip strength, and slow Timed Up and Go time as defined by the European Working Group on Sarcopenia in Older People criteria (all p < 0.05), and only MVPA time was associated with lower likelihood of probable or confirmed sarcopenia (odds ratio = 0.80, 95% confidence interval: 0.71–0.91 h/week). Similar associations were identified for total number of bouts, with no evidence of threshold effects for longer duration of bouts of MVPA. A total of 14% of participants reported ≥1 fall, but neither total time nor bouts of activity was associated with incident falls (all p > 0.05).

Conclusion: Higher amounts of accelerometer-determined MVPA are consistently associated with a decreased likelihood of sarcopenia and its components, regardless of the length of bouts or amounts of sedentary behavior.

KeywordsAccelerometer; Falls; Older adults; Physical activity; Sarcopenia
Year01 Jan 2021
JournalJournal of Sport and Health Science
Journal citation10 (5), pp. 577-584
PublisherShanghai Tiyu Xueyuan
ISSN2095-2546
Digital Object Identifier (DOI)https://doi.org/10.1016/j.jshs.2020.01.006
PubMed ID34088651
PubMed Central IDPMC8500807
Web address (URL)https://www.sciencedirect.com/science/article/pii/S2095254620300132
Open accessPublished as ‘gold’ (paid) open access
Research or scholarlyResearch
Page range577-584
Publisher's version
License
File Access Level
Open
Output statusPublished
Publication dates
Print05 Feb 2020
Publication process dates
Accepted16 Dec 2019
Deposited05 Jan 2023
Additional information

© 2021 Published by Elsevier B.V. on behalf of Shanghai University of Sport. This is an open access article under the CC BY-NC-ND license.
(http://creativecommons.org/licenses/by-nc-nd/4.0/)

Place of publicationChina
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