Examining Valence-based Effects in Self-Monitoring Feedback Messages

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorUniversity of Virginia

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

127 Participants
are divided into 1 treatment group

Sponsors and collaborators

University of Virginia

Lead sponsor

University of Florida

Collaborator

Wake Forest University Health Sciences

Collaborator