The aim of this study is to investigate the effectiveness of intervention 'MyPlan 2.0' and the efficacy of the different behaviour change techniques that are included. Eight groups will be created that will receive a different version of the intervention, varying in three behaviour change techniques (action planning, coping planning, self-monitoring).
The effectiveness of the self-regulation-based e- and m-health intervention 'MyPlan 2.0' on changing physical activity and sedentary behaviour in the adult population will be investigated. Furthermore, the role of three different behaviour change techniques (action planning, coping planning, self-monitoring) will be examined via a 2x2x2 design, in which 8 groups are created that all receive a different version of the intervention.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
SINGLE
Enrollment
500
Action planning is the behaviour change technique used to make users specify their goal (what they are going to do, when, where, ...).
Coping planning is the behaviour change technique used to make users think about possible hindrances and according solutions when trying to reach their goal.
Self-monitoring is the behaviour change technique used to make users keep track of their goal.
University Ghent
Ghent, East-Flanders, Belgium
Change in objective physical activity (PA)
Change in amount of total physical activity and moderate-to-vigorous physical activity, measured via accelerometers
Time frame: Baseline, 5 weeks, 3 months, 1 year
Change in objective sedentary behaviour
Change in amount of total sitting time, measured via accelerometers
Time frame: Baseline, 5 weeks, 3 months, 1 year
Change in self-reported physical activity (PA)
Change in amount of total physical activity and moderate-to-vigorous physical activity, measured via the International Physical Activity Questionnaire (IPAQ)
Time frame: Baseline, 5 weeks, 3 months, 1 year
Change in self-reported sedentary behaviour
Change in amount of total sitting time, measured via the last 7-days sedentary behaviour self-report questionnaire (SIT-Q-7d)
Time frame: Baseline, 5 weeks, 3 months, 1 year
Change in self-efficacy
Change in amount of self-efficacy to change behaviour, measured via 3 validated items (questionnaire)
Time frame: Baseline, 1 week, 3 weeks, 5 weeks, 3 months, 1 year
Change in motivation
Change in amount of motivation to change behaviour, measured via 3 validated items (questionnaire)
Time frame: Baseline, 1 week, 3 weeks, 5 weeks, 3 months, 1 year
Change in outcome expectancies
Outcome expectancies regarding the behaviour change, measured via 3 validated items (questionnaire)
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In this intervention, users receive tailored feedback on their current health behaviour and tips and tricks to reach their goals. This tips and tricks include the behaviour change technique 'eliciting social support'.
Time frame: Baseline, 1 week, 3 weeks, 5 weeks, 3 months, 1 year
Change in risk perception
Risk perception about the behaviour, measured via 3 validated items (questionnaire)
Time frame: Baseline, 1 week, 3 weeks, 5 weeks, 3 months, 1 year
Change in intention
Amount of intention to change behaviour, measured via 3 validated items (questionnaire)
Time frame: Baseline, 1 week, 3 weeks, 5 weeks, 3 months, 1 year
Change in action planning
Amount of action planning for behaviour change, measured via 3 validated items (questionnaire)
Time frame: Baseline, 1 week, 3 weeks, 5 weeks, 3 months, 1 year
Change in coping planning
Amount of coping planning for behaviour change, measured via 3 validated items (questionnaire)
Time frame: Baseline, 1 week, 3 weeks, 5 weeks, 3 months, 1 year