Positive Online Weight Reduction (POWeR): a trial comparing access to an online weight management intervention to access to an online weight management intervention with brief telephone coaching.

A randomised controlled trial of usage of an online weight management intervention by overweight/obese adults with and without human telephone support.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN98176068

Enrollment

759

Registered

2012-05-23

Start date

2012-05-01

Completion date

Unknown

Last updated

2015-01-13

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

Interventions

Participants have 8 weeks either Web only, Web plus coach support or control group. They are then followed up and complete self-report questionnaires. Web Only This group will be given immediate acce

their 'POWeR tools'. Participants in this arm receive no human contact from the POWeR intervention. Web + coach support This group will be given immediate access to the POWeR website (described above

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Adults, aged 18 or older 2. Self-reported BMI >23 3. UK resident 4. Able to access the internet on a regular basis 5. Able and willing to weigh self once per week

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

Design outcomes

Primary

Measure	Time frame
Participants? use of POWeR weight management website (objective data, recorded by the online intervention): 1. Number of POWeR goal review sessions completed 2. Time spent on POWeR website (minutes) 3. Number of log-ons	—

Secondary

Measure	Time frame
Self-reported weight loss between baseline and 8 weeks (kilograms)	—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 8, 2026