Actively Recruiting
Examining Valence-based Effects in Self-Monitoring Feedback Messages
Led by University of Virginia · Updated on 2026-03-31
127
Participants Needed
1
Research Sites
62 weeks
Total Duration
On this page
Sponsors
U
University of Virginia
Lead Sponsor
U
University of Florida
Collaborating Sponsor
AI-Summary
What this Trial Is About
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.
CONDITIONS
Official Title
Examining Valence-based Effects in Self-Monitoring Feedback Messages
Who Can Participate
Eligibility Criteria
You may qualify if you...
- 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
You will not qualify if you...
- 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
- Currently participating in a weight-loss program
- Weight loss of greater than or equal to 10 lbs in the 6 months prior to initial pre-screening
- Physical limitations that prevent walking at a brisk pace for at least 10 minutes without stopping
- Use of a pacemaker or other implanted medical device
- Currently pregnant
- Currently breastfeeding
- Less than 1-year post-partum
- Plans to become pregnant within the study period
- Lack of written confirmation that the potential participant has discussed study participation with their physician if they have been diagnosed with diabetes, hypertension, or has have a history of coronary heart disease
- One or more study participants living in the household (enrollment limited to one participant per household)
- Medical conditions that contraindicate weight loss or prevent completion of the study (e.g., current diagnosis of cancer or terminal illness, dementia, etc.)
- Recent (in the past 6 months) changes in medications that affect weight
- Self-reported eating disorder within past 5 years
- Unable to complete the 17-week study (due to plans to relocate during the study period, etc.)
- Unable or unwilling to provide informed consent
- Unable to read English at the 5th grade level
- Unwilling to accept random assignment
- Unable or unwilling to download the study smartphone application, wear the physical activity monitor, or use the study e-scale
- Failure to complete baseline assessment measures
- Failure to complete at least 4 out of 6 days of self-monitoring dietary and weight self-monitoring during the behavioral run-in period
- Any other condition(s) which, in the opinion of the Principal Investigator, would adversely affect participation in the study
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
University of Virginia
Charlottesville, Virginia, United States, 22901
Actively Recruiting
Research Team
M
Maddie Glover, B.S.
CONTACT
T
Teace Markwalter, M.P.H., CHES
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NA
Model
SINGLE_GROUP
Primary Purpose
TREATMENT
Number of Arms
1
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