A randomised trial of an internet weight control resource: the UK Weight Control Trial

Prospectively registered

Protocol

Statistical analysis plan

Results

Individual participant data

Plain English summary of protocol

Not provided at time of registration

Dr Sara Kirk
Scientific

The University of Leeds
Nuffield Institute for Health
71-75 Clarendon Road
Leeds
LS2 9PL
United Kingdom

Phone	+44 (0)113 3436990
Email	s.f.l.kirk@leeds.ac.uk

Primary study design	Interventional
Study design	Randomised controlled trial
Secondary study design	Randomised controlled trial
Scientific title	A randomised trial of an internet weight control resource: the UK Weight Control Trial
Study acronym	UKWCT
Study objectives	An internet-based package for weight control, alongside 'usual care', is a more effective treatment for obesity than 'usual care' methods alone.
Ethics approval(s)	Not provided at time of registration
Health condition(s) or problem(s) studied	Obesity
Intervention	Intervention: Access to an internet weight management site designed by health professionals to offer weight management advice based on the best evidence available. Comparison: Usual care offered by the GP
Intervention type	Other
Primary outcome measure(s)	Ability of the internet package to promote change in BMI over six and 12 months compared with traditional treatment.
Key secondary outcome measure(s)	Ability of the internet package to promote change in reported lifestyle behaviours compared with traditional treatment.
Completion date	01/01/2005

Participant type(s)	Patient
Age group	Adult
Lower age limit	18 Years
Sex	All
Target sample size at registration	180
Key inclusion criteria	1. Males and females 2. Body Mass Index (BMI) more than 30 kg/m^2 3. 18 to 65 years of age 4. Able to access the internet at least once per week 5. Able to read and write in English (for the purposes of accessing the site and completing questionnaires)
Key exclusion criteria	1. Pregnant or lactating women 2. Women planning on becoming pregnant within the next year 3. Any illness or reason where the General Practitioner (GP) feels that the patient should not be taking part in a clinical trial
Date of first enrolment	01/01/2004
Date of final enrolment	01/01/2005

The University of Leeds

Leeds
LS2 9PL
United Kingdom

Individual participant data (IPD) Intention to share	No
IPD sharing plan summary	Not provided at time of registration
IPD sharing plan

Output type	Details	Date created	Date added	Peer reviewed?	Patient-facing?
Results article	results	19/12/2007		Yes	No
Protocol article	protocol	29/10/2003		Yes	No
Study website	Study website	11/11/2025	11/11/2025	No	Yes

05/12/2017: internal review.