- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03566277
Project Step: Evaluating Deposit Contracts and Daily Feedback to Promote Walking in Overweight and Obese Adults
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Approximately 68% of adults are overweight or obese, which is associated with increased risk for health conditions, including cardiovascular disease, type 2 diabetes, and cancer. These individuals are more often sedentary than the general population, which compounds the risk for these same conditions. While the benefits of engaging in physical activity are well-established, few individuals are able to successfully increase activity to recommended levels. Existing intervention programs, often derived from theories such as social cognitive theory or related theories, have had limited success. Behavioral economics offers a promising alternative, suggesting that engagement in any behavior is based on the maximizing utility and happiness. Interventions based on this theory aim to increase the immediate benefit of engaging in physical activity, often using a financial incentive.
This study will last for 16 weeks. Each participant will invest $42 with the study, and be exposed to to each of three interventions. All participants will have the use of a FitBit for ongoing self-monitoring and a step-count goal of 10,000 steps per day. In one condition, these will be the only interventions you receive. In one condition, you will receive a monetary consequence for meeting or not meeting the goal. Each day during the incentive conditions, you will be eligible to lose $0.75 of your own money for not meeting the goal, or to earn back $0.75 of your money plus $0.75 from the study (i.e., a total of $1.50) for meeting the goal. In the third condition, you will have daily feedback mid-afternoon about your distance from the goal and the money you stand to gain or lose. You will be made aware of what condition you are in.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- 25 kg/m2 ≤ BMI ≤ 45 kg/m2
- Age 18-70
- Currently inactive (engages in less than 6,000 steps/day on at least 4 of 7 days per week, confirmed by FitBit at baseline)
- Able to engage in moderate amount of walking
- Able to receive email/text messages from study staff
Exclusion Criteria:
- medical or psychiatric conditions that would make it difficult to comply with study protocols
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Single-arm trial
All participants will undergo each of three conditions during the study.
|
Participants will have access to a wrist-worn activity monitor and have a daily step goal
Participants will have a deposit contract, wherein they will lose money if a goal is not reached, or double their money if a goal is reached
Participants will receive text message feedback each day about progress towards their goal
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Step counts
Time Frame: Throughout 16-week study, measured as the average of each two-week block (i.e., each time condition changes)
|
Daily number of steps taken
|
Throughout 16-week study, measured as the average of each two-week block (i.e., each time condition changes)
|
Goal attainment
Time Frame: Throughout 16-week study, measured as the average of each two-week block (i.e., each time condition changes)
|
Proportion of days step goal was met
|
Throughout 16-week study, measured as the average of each two-week block (i.e., each time condition changes)
|
Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 1601004185-1
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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