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OpenTrials
Completed

NCT Number: NCT02417220

Weight Watchers Online 2015

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.

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Key information

Age range

18 year–70 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Weight Control and Diabetes Resarch Center, Providence, Rhode Island, United States

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • 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

Exclusion criteria

  • 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

Treatment and study plan

Weight Watchers Online 2015 Program

Behavioral

Access to the Weight Watchers Online 2015 program available via the Internet on personal computers, tablet computers, and/or smartphones already owned by participants.

Electronic Scale with Feedback

Other

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.

Primary outcomes

  1. Change in body weight, measured in kilograms

    Time frame: 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

    Time frame: 3 and 6 months after randomization

Sponsors and collaborators

Lead sponsor

The Miriam Hospital

Other

Collaborators

  • University of Tennessee
  • WW International Inc

Registry information

Acronym: WWO 2015

Important dates

Study start
2015
Primary completion
2016
Study completion
2016
First posted
Apr 15, 2015
Registry last updated
Mar 29, 2016

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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