Physical activity, Diet, Sedentary behaviour, Obesity, Sedentary behaviour, Computer-tailoring
Conditions
Interventions
After giving informed consent, participants are automatically assigned to either the intervention condition or the waiting list control condition by means of a digital randomizer which is built-in in
Sponsors
Open University of the Netherlands, Faculty of Psychology and Educational Sciences
Eligibility
Inclusion criteria
Inclusion criteria: - Dutch adults, aged between 18 and 70. - Having an adequate understanding of the Dutch language - Possession of a computer/tablet with access to the Internet
Exclusion criteria
Exclusion criteria: - Participation in the I Move intervention or pilot studies
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diet: - fruit (portions/day) and vegetables intake (grams/day) - Frequency of fish consumption (per week) and consumption of energy-dense snacks (per day). The four outcomes are measured with a validated food frequency questionnaire (FFQ). Physical activity behaviour: the number of minutes of moderate to vigorous physical activity per week measured with the self-reported SQUASH (Short QUestionnaire to ASses Health enhancing physical activity). | — |
Secondary
| Measure | Time frame |
|---|---|
| Autonomy (Treatment Self-Regulation Questionnaire), competence (Perceived Competence Scales), intrinsic motivation (Dutch Behavioural Regulation in Exercise Questionnaire), awareness about current dietary behaviour and amount of PA, intention, and commitment towards eating healthier and becoming more physically active and health status (a 100-point visual analogue). | — |
Outcome results
None listed