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My Activity Coach – using video-coaching to assist a web-based computer-tailored physical activity intervention : a randomised controlled trial protocol

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Version 3 2022-10-25, 02:14
Version 2 2022-08-30, 03:02
Version 1 2021-01-16, 12:43
journal contribution
posted on 2022-10-25, 02:14 authored by Stephanie AlleyStephanie Alley, C Davies, R Plotnikoff, Corneel VandelanotteCorneel Vandelanotte
Background: There is a need for effective population-based physical activity interventions. The internet provides a good platform to deliver physical activity interventions and reach large numbers of people at low cost. Personalised advice in web-based physical activity interventions has shown to improve engagement and behavioural outcomes, though it is unclear if the effectiveness of such interventions may further be improved when providing brief video-based coaching sessions with participants. The purpose of this study is to determine the effectiveness, in terms of engagement, retention, satisfaction and physical activity changes, of a web-based and computer-tailored physical activity intervention with and without the addition of a brief video-based coaching session in comparison to a control group. Methods/Design: Participants will be randomly assigned to one of three groups (tailoring + online video-coaching, tailoring-only and wait-list control). The tailoring + video-coaching participants will receive a computer-tailored web-based physical activity intervention (‘My Activity Coach’) with brief coaching sessions with a physical activity expert over an online video calling program (e.g. Skype). The tailoring-only participants will receive the intervention but not the counselling sessions. The primary time point’s for outcome assessment will be immediately post intervention (week 9). The secondary time points will be at 6 and 12 months post-baseline. The primary outcome, physical activitychange, will be assessed via the Active Australia Questionnaire (AAQ). Secondary outcome measures include correlates of physical activity (mediators and moderators), quality of life (measured via the SF-12v2), participant satisfaction, engagement (using web-site user statistics) and study retention. Discussion: Study findings will inform researchers and practitioners about the feasibility and effectiveness of brief online video-coaching sessions in combination with computer-tailored physical activity advice. This may increase intervention effectiveness at an acceptable cost and will inform the development of future web-based physical activity interventions.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

14

Issue

1

Start Page

738

End Page

749

Number of Pages

12

eISSN

1471-2458

Location

UK

Publisher

BioMed Central

Additional Rights

CC BY 4.0

Language

en-aus

Peer Reviewed

  • Yes

Open Access

  • Yes

External Author Affiliations

Institute for Health and Social Science Research (IHSSR); School of Human, Health and Social Sciences (2013- ); University of Alberta; University of Newcastle;

Era Eligible

  • Yes

Journal

BMC public health.

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