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OpenTrials
Completed

NCT Number: NCT01888172

Weight Watchers Online

The purpose of this study is to conduct a randomized controlled trial to compare the weight losses produced by the Weight Watchers Online program (WWO) and WWO plus the Philips ActiveLink physical activity system, over a 1-year period, compared to a control group.

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Key information

Conditions

Overweight Body Weight Nutrition Disorders Nutritional and Metabolic Diseases Obesity Overnutrition Pathological Conditions, Signs and Symptoms Signs and Symptoms

Age range

18 year–70 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Miriam Hospital Weight Control & Diabetes Research 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

  • Body mass index (BMI) between 27 and 40 kg/m2
  • All ethnic groups will be recruited
  • 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 Questionnaire
  • 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 Program

Behavioral

Access to the Weight Watchers Online program available via the Internet on personal computers, tablet computers, and smartphones.

Philips ActiveLink

Device

Provision of a key-chain sized physical activity monitor that interfaces with the Weight Watchers website to promote exercise and give feedback on progress towards exercise goals.

Eating and Activity Newsletter

Behavioral

General information on healthy eating and physical activity habits and the medical consequences of overweight/obesity and weight loss.

Primary outcomes

  1. Change in body weight, measured in kilograms

    Time frame: 3, 6, 9, and 12 months after randomizaiton

Secondary outcomes

  1. Engagement with the electronic intervention system

    Time frame: 3, 6, 9, and 12 months after randomization

    The frequency with with participants interact with the Weight Watchers Online and control group websites.

  2. Blood pressure

    Time frame: 3, 6, 9, and 12 months after randomization

Sponsors and collaborators

Lead sponsor

The Miriam Hospital

Other

Collaborators

  • University of Tennessee
  • WW International Inc

Registry information

Acronym: WWO

Important dates

Study start
2013
Primary completion
2015
Study completion
2015
First posted
Jun 27, 2013
Registry last updated
Sep 23, 2015

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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