Overweight / obesity Nutritional, Metabolic, Endocrine Obesity, unspecified
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Adults, aged 18 or older, either sex 2. Self-reported BMI > 19 3. Able to access the internet on a regular basis
Exclusion criteria
Exclusion criteria: Potential participants with health conditions that influence their diet or physical activity are advised to check with their GP before taking part. POWeR is currently also being evaluated in an ongoing clinical trial in specific areas within the UK. Participants who reside in these areas will be excluded from taking part.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Intervention use (automatically recorded data on log-ins, page views, and duration of views of the web and smartphone interventions); 2. Intrinsic Motivation (The Treatment Self-Regulation Questionnaire-Modified, Levesque et al. 2007) at baseline 3. Social norms for weight management (Adapted version of social norms scales by Lemmon et al. In Press) at baseline and 8 weeks; 4. Number and type of social ties also managing weight at baseline 5. Number and type of social ties also using POWeR at 8 weeks 6. Personality (NEO personality inventory, McCrae & Costa 1987) 7. Action control for dietary behaviour and physical activity (measure adapted from Sniehotta et al., 2005) at baseline and 8 weeks; 8. Automatically recorded data on smartphone use, sensed by smartphone (e.g. number of calls, number of SMS, current time/location, power status etc.) 9. Positive Intervention Perceptions (Yardley et al., 2010) at 8 weeks 10. Perceived ease of use (Venkatesh & Davis, 2000) 11. Self-reported smartphone usage at baseline 12. Preferences for POWeR use via website or Smartphone and /or reasons for non-use at 8 weeks 13. Self-reported weight at baseline and 8 weeks | — |
Secondary
| Measure | Time frame |
|---|---|
| No secondary outcome measures | — |
Countries
United Kingdom, United States of America