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Efficacy of a computer-tailored web-based physical activity intervention using Fitbits for older adults CQU.pdf (690.13 kB)

Efficacy of a computer-tailored web-based physical activity intervention using Fitbits for older adults: A randomised controlled trial protocol

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Version 2 2022-08-16, 01:14
Version 1 2021-01-17, 10:52
journal contribution
posted on 2022-08-16, 01:14 authored by Stephanie AlleyStephanie Alley, JGZ Van Uffelen, Stephanie SchoeppeStephanie Schoeppe, Lynne Parkinson, Susan HuntSusan Hunt, Deborah Power, MJ Duncan, Anthony SchneidersAnthony Schneiders, Corneel VandelanotteCorneel Vandelanotte
Introduction Physical activity is an integral part of healthy ageing, yet the majority of older adults 65+ years are not sufficiently active. Web-based physical activity interventions hold much promise to reach older adults. Preliminary evidence suggests that web-based interventions with tailored advice and Fitbits may be well suited for older adults. Methods and analysis This study aims to test the effectiveness of 'Active for Life', a 12-week computer-tailored web-based physical activity intervention using Fitbits for older adults. We will recruit 300 participants who will be randomly assigned to one of three trial arms: (1) web-based physical activity intervention with tailored advice only, (2) web-based physical activity intervention with tailored advice and Fitbit or (3) a wait-list control. The primary outcome, objective moderate to vigorous physical activity (MVPA) and secondary outcomes of objective sedentary behaviour, objective sleep, quality of life, social support, physical function and satisfaction with life will be assessed at baseline and week 12. The secondary outcomes of self-reported physical activity, sitting time and sleep will be assessed at baseline, week 6, 12 and 24. Website usability and participant satisfaction will be assessed at week 12 and website usage and intervention fidelity will be assessed from week 1 to 24. Intention-to-treat linear mixed model analyses will be used to test for group (tailoring only, tailoring +Fitbit, control) differences on changes in the main outcome, MVPA and secondary outcomes. Generalised linear models will be used to compare intervention groups (tailoring only, tailoring +Fitbit) on website usability, participant satisfaction, website usage and intervention fidelity. Ethics and dissemination The study has received ethics approval from the Central Queensland University Human Research Ethics Committee (H16/12-321). Study outcomes will be disseminated through peer-reviewed publications and academic conferences and used to inform improvements and dissemination of a tailored, web-based physical activity intervention for adults 65+ years. Trial registration number Australian and New Zealand Clinical Trials Registry Number: ACTRN12618000646246. © Author(s) (or their employer(s)) 2019.

History

Volume

9

Issue

12

Start Page

1

End Page

13

Number of Pages

13

eISSN

2044-6055

Publisher

B M J Group, Uk

Additional Rights

CC BY-NC 4.0

Peer Reviewed

  • Yes

Open Access

  • Yes

Acceptance Date

2019-11-18

External Author Affiliations

KU Leuven, Belgium; University of Newcastle;

Author Research Institute

  • Appleton Institute

Era Eligible

  • Yes

Journal

BMJ Open

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