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Positive Online Weight Reduction (POWeR): A study of a web and smartphone weight management tool

Dissemination of a digital weight management intervention to adult users of the myPersonality Facebook application: An exploration of the role of personality and social influence on intervention uptake, adherence and health-related outcomes

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN24771817
Enrollment
Unknown
Registered
2013-03-27
Start date
2013-05-08
Completion date
Unknown
Last updated
2016-12-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Overweight / obesity Nutritional, Metabolic, Endocrine Obesity, unspecified

Interventions

The POWeR website is a series of online modules which the participant is encouraged to complete on a weekly basis. The POWeR intervention guides and supports users in changing their eating and physica

Sponsors

University of Southampton (UK)
Lead Sponsor

Eligibility

Sex/Gender
All

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

MeasureTime 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

MeasureTime frame
No secondary outcome measures

Countries

United Kingdom, United States of America

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026