Weight Watchers Online 2015
WWO 2015
1 other identifier
interventional
92
1 country
2
Brief Summary
The purpose of this study is to conduct a randomized controlled trial to compare the weight losses produced by the Weight Watchers Online program revised for 2015 (WWO2015) and WWO2015 plus the provision of an electronic scale and weekly email feedback on weight loss (WWO2015 Enhanced), over a 6-month period.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable obesity
Started Apr 2015
Shorter than P25 for not_applicable obesity
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
April 1, 2015
CompletedFirst Submitted
Initial submission to the registry
April 8, 2015
CompletedFirst Posted
Study publicly available on registry
April 15, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 1, 2016
CompletedStudy Completion
Last participant's last visit for all outcomes
January 1, 2016
CompletedMarch 29, 2016
March 1, 2016
9 months
April 8, 2015
March 28, 2016
Conditions
Outcome Measures
Primary Outcomes (1)
Change in body weight, measured in kilograms
3 and 6 months after randomization
Secondary Outcomes (1)
Engagement with the electronic intervention system, measured by number of body weights, foods, and physical activity bouts recorded per week
3 and 6 months after randomization
Study Arms (2)
Weight Watchers Online 2015
ACTIVE COMPARATORWeight Watchers Online 2015 Enhanced
EXPERIMENTALInterventions
Access to the Weight Watchers Online 2015 program available via the Internet on personal computers, tablet computers, and/or smartphones already owned by participants.
Provision of an electronic scale that automatically transmits body weights to the Weight Watchers Online 2015 program, which generates a weekly feedback message on weight loss progress.
Eligibility Criteria
You may qualify if:
- Age 18-70 years
- Body mass index (BMI) between 27 and 40 kg/m2
- Both genders will be recruited; At least 10% of participants will be men. Enrollment of women will be capped at n = 324 (90%) to meet this goal.
- All ethnic groups will be recruited, with a goal of recruiting 10% minorities
- English speaking
- Have access to the Internet via a computer, and basic computer skills
You may not qualify if:
- Report health problems that make weight loss or unsupervised exercise unsafe or unreasonable
- Report a heart condition, chest pain during periods of activity or rest, or loss of consciousness on the Physical Activity Readiness Questionnaire1
- Are currently pregnant or breastfeeding, or intend to become pregnant in the next 12 months
- Are planning to move outside of the state within the next 12 months
- Report any cognitive or physical limitations that preclude use of a personal computer
- Have participated in a study conducted by the WCDRC or UT in the past 2 years
- Have followed a commercial weight-loss program within the previous 6 months or who are currently following a commercial weight loss program
- Weight loss of ≥ 5% of initial body weight in the last 6 months
- History of clinically diagnosed eating disorder excluding Binge Eating Disorder.
- Previous surgical procedure for weight loss
- Currently taking weight loss medication
- Treatment of cancer within the last 6 months
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- The Miriam Hospitallead
- WW International Inccollaborator
- University of Tennesseecollaborator
Study Sites (2)
Weight Control and Diabetes Resarch Center
Providence, Rhode Island, 02903, United States
University of Tennessee
Knoxville, Tennessee, 37996, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Assistant Professor (Research)
Study Record Dates
First Submitted
April 8, 2015
First Posted
April 15, 2015
Study Start
April 1, 2015
Primary Completion
January 1, 2016
Study Completion
January 1, 2016
Last Updated
March 29, 2016
Record last verified: 2016-03