I Move: systematic development of a web-based computer tailored physical activity intervention, based on motivational interviewing and self-determination theory

Abstract

BackgroundThis article describes the systematic development of the I Move intervention: a web-based computer tailored physical activity promotion intervention, aimed at increasing and maintaining physical activity among adults. This intervention is based on the theoretical insights and practical applications of self-determination theory and motivational interviewing.Methods/designSince developing interventions in a systemically planned way increases the likelihood of effectiveness, we used the Intervention Mapping protocol to develop the I Move intervention. In this article, we first describe how we proceeded through each of the six steps of the Intervention Mapping protocol. After that, we describe the content of the I Move intervention and elaborate on the planned randomized controlled trial.DiscussionBy integrating self-determination theory and motivational interviewing in web-based computer tailoring, the I Move intervention introduces a more participant-centered approach than traditional tailored interventions. Adopting this approach might enhance computer tailored physical activity interventions both in terms of intervention effectiveness and user appreciation. We will evaluate this in an randomized controlled trial, by comparing the I Move intervention to a more traditional web-based computer tailored intervention.Trial registrationNTR4129

Profiling physical activity motivation based on self-determination theory: a cluster analysis approach

“…For this study, the baseline data from the I Move trial (Friederichs et al 2014 ) was used. In this trial, the effectiveness of a novel web-based PA intervention was tested.…”

“…Participants for the I Move study were recruited via advertisements in national newspapers, social media, and an online panel. Participants were eligible for participation in this trial if they were between 18 and 70 years old, did not have a condition that seriously affected their ability to be physically active, did not participate in one of the I Move pilot studies, and were less physically active than 5 days per week for 60 minutes per day (Friederichs et al 2014 ). All eligible individuals agreeing to participate were are asked to sign an online informed consent form.…”

From self-reliers to expert-dependents: identifying classes based on health-related need for autonomy and need for external control among mobile users

“…Many health behavior change interventions provide suggestions for managing (sustained) behavior change, in order to enhance the individual's selfefficacy and satisfy the need for competence (Ng et al, 2012;Rooke, Thorsteinsson, Karpin, Copeland, & Allsop, 2010). Moreover, many of such interventions target the need for relatedness through providing normative feedback and the affirmation of feelings (Boon, Risselada, Huiberts, Riper, & Smit, 2011;Friederichs et al, 2014;Rooke et al, 2010;Smit, de Vries, & Hoving, 2010). Contrastingly, there is a lack of evidence for the fulfilment of the need for autonomy in health behavior change interventions (Ng et al, 2012), providing the rationale for the present study specifically focusing on this basic psychological need.…”

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