Abstract:
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.
journal_name
BMJ Openjournal_title
BMJ openauthors
Alley S,van Uffelen JG,Schoeppe S,Parkinson L,Hunt S,Power D,Duncan MJ,Schneiders AG,Vandelanotte Cdoi
10.1136/bmjopen-2019-033305subject
Has Abstractpub_date
2019-12-23 00:00:00pages
e033305issue
12issn
2044-6055pii
bmjopen-2019-033305journal_volume
9pub_type
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