About this trial
The purpose of this research study is to learn how to identify the most effective ways to provide weekly feedback on participants' progress toward intervention goals during a weight loss program.
Eligibility criteria
Qualifiers
Age greater than or equal to 18 years
BMI greater than or equal to 25.0 kg/m2
Weight less than or equal to 175 kg (due to scale limit)
Own a smartphone compatible with Fitbit (e.g., an Apple iPhone running iOS 16.4 or higher or Android smartphone running Android 11 or higher) with a cellular and data plan
Disqualifiers
Weight greater than 175 kg (due to a weight limit of the study-provided scale)
Smartphone device owned deemed incompatible with the Fitbit App
History of bariatric surgery or plans to obtain bariatric surgery during the study period
Current use of weight loss medications, or use of weight loss medications in the 6 months prior to initial pre-screening
Trial design
Treatments tested in this trial
- Positive Reinforcement
- Positive Reinforcement + Areas for Change
Treatment groups
Sponsors and collaborators
University of Virginia
Lead sponsor
University of Florida
Collaborator
Wake Forest University Health Sciences
Collaborator