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Frailty Phenotype Prevalence in Community-Dwelling Older Adults According to Physical Activity Assessment Method

Authors Ziller C, Braun T, Thiel C

Received 12 November 2019

Accepted for publication 11 January 2020

Published 9 March 2020 Volume 2020:15 Pages 343—355

DOI https://doi.org/10.2147/CIA.S238204

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Richard Walker


Carina Ziller,1 Tobias Braun,1 Christian Thiel1,2

1Department of Applied Health Sciences, Division of Physiotherapy, Hochschule für Gesundheit (University of Applied Sciences), Bochum, Germany; 2Faculty of Sports Science, Training and Exercise Science, Ruhr University Bochum, Bochum, Germany

Correspondence: Carina Ziller
Department of Applied Health Sciences, Division of Physiotherapy, Hochschule für Gesundheit (University of Applied Sciences), Gesundheitscampus 6-8, Bochum 44801, Germany
Tel +49 234 77727 628
Fax +49 234 77727 828
Email cziller@hs-gesundheit.de

Introduction: Studies have described varying prevalences of frailty as determined by Fried’s frailty phenotype. Comparability may be limited due to frailty phenotype modifications, especially the low physical activity criterion.
Purpose: This study aimed to determine the variability of frailty phenotype prevalence according to the physical activity assessment method.
Patients and Methods: In a cross-sectional analysis, frailty phenotype prevalence was assessed in community-dwelling older adults. The low physical activity criterion of the frailty phenotype was determined by using five different questionnaires and an accelerometer, and three different cut-point models.
Results: In 47 participants, frailty phenotype prevalence varied between 14.9% and 31.9%, depending on the model used to assess physical activity.
Conclusion: The method of physical activity assessment and the choice of cut-points for low physical activity considerably impact frailty phenotype prevalence. More efforts to standardize and adhere to the low physical activity criterion seem warranted. The calculation of correction factors between commonly used sets of low physical activity criteria might allow better comparisons of published prevalence rates.

Keywords: physical frailty, physical activity assessments, older adults

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