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

BMC Public Health

Corneel Vandelanotte²  Ronald C Plotnikoff³  Cally Jennings¹  Stephanie Alley² 

[1] Faculty of Physical Education and Recreation, W1-34 Van Vliet Centre, University of Alberta, Edmonton, AB, Canada;Centre for Physical Activity Studies, School of Human, Health and Social Sciences, Central Queensland University, Building 18, Rockhampton, QLD 4702, Australia;Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Advanced Technology Centre, University Drive, Callaghan, NSW 2308, Australia

关键词: Coaching;    Skype;    Video calling;    Internet;    Web-based;    Behaviour change;    Intervention;    Physical activity;   

Others  :  1128985
DOI  :  10.1186/1471-2458-14-738

 received in 2014-06-16, accepted in 2014-06-23,  发布年份 2014

【 摘 要 】

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 activity change, 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.

Trial registration

ACTRN12614000339651Date: 31/03/2014.

【 授权许可】

   
2014 Alley et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

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