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BMC Geriatrics
Published in: BMC Geriatrics 1/2018

Open Access 01-12-2018 | Study protocol

A digitally supported home-based exercise training program and dietary protein intervention for community dwelling older adults: protocol of the cluster randomised controlled VITAMIN trial

Authors: Jantine van den Helder, Carliene van Dronkelaar, Michael Tieland, Sumit Mehra, Tessa Dadema, Bart Visser, Ben J. A. Kröse, Raoul H. H. Engelbert, Peter J. M. Weijs

Published in: BMC Geriatrics | Issue 1/2018

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Abstract

Background

Increased physical activity and dietary protein intake are promising interventions to prevent or treat the age-related decline in physical performance in older adults. There are well-controlled exercise as well as dietary intervention studies that show beneficial effects on physical performance in older adults. In practice, however, weekly group based exercise or nutritional programs may not be as effective. To optimise these exercise programs for community dwelling older adults, a digitally supported and personalised home-based exercise training program has been designed aiming to improve physical performance in older adults. In addition, a protein intervention in combination with the training program may further improve physical performance in older adults.

Methods

The VITAMIN study will be a cluster randomised controlled trial with three parallel arms. In total, 240 community dwelling older adults (≥ 55 years) participating in weekly group exercise are randomly allocated into: 1) regular weekly exercise program (Control group, n = 80), 2) digitally supported personalised home-based exercise training program group (VITA group, n = 80) and 3) digitally supported personalised home-based exercise training program group plus dietary protein counselling (VITA-Pro group, n = 80). The VITAMIN study aims to evaluate effectiveness of the digitally supported personalised home-based exercise training program as well as the additional value of dietary protein on physical performance after 6 months. In addition, a 12 month follow-up measurement will assess the retaining effect of the interventions. Primary outcome is physical performance measured by the Modified Physical Performance Test (M-PPT) and relevant secondary and observational outcomes include habitual physical activity and dietary intake, body composition, cognitive performance, quality of life, compliance and tablet usage. Data will be analysed by Linear Mixed Models.

Discussion

To our knowledge, the VITAMIN study is the first study that investigates the impact of home-based exercise, protein intake as well as use of persuasive technology in the population of community dwelling older adults.

Trial registration

NL56094.029.16 / NTR (TC =​ 5888; registered 03–06-2016).
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Metadata
Title
A digitally supported home-based exercise training program and dietary protein intervention for community dwelling older adults: protocol of the cluster randomised controlled VITAMIN trial
Authors
Jantine van den Helder
Carliene van Dronkelaar
Michael Tieland
Sumit Mehra
Tessa Dadema
Bart Visser
Ben J. A. Kröse
Raoul H. H. Engelbert
Peter J. M. Weijs
Publication date
01-12-2018
Publisher
BioMed Central
Published in
BMC Geriatrics / Issue 1/2018
Electronic ISSN: 1471-2318
DOI
https://doi.org/10.1186/s12877-018-0863-7

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