Research Intervention to Support Healthy Eating and Exercise

Study Overview
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Brief Summary
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The primary aim of this study is to test the efficacy of a behavioral economics intervention for weight loss in adults from economically disadvantaged backgrounds.

Official Title
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Using Behavioral Economic Strategies to Address Obesity in Economically Disadvantaged Adults

Conditions
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Obesity

Intervention / Treatment
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* Behavioral: Behavioral Economics intervention (BE mHealth)
* Behavioral: Standard mHealth intervention (mHealth)


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Age between 18-75 BMI between 25-55kg/m2 All sexes All racial/ethnic groups Low SES and/or report qualifying for federal, state or local benefits Have a smartphone and willing to use for research purposes Exclusion Criteria: <18-75>years of age Report being unable to walk 2 blocks without stopping Are currently participating in weight loss treatment, have a history of bariatric surgery, or lost ≥5% in the past 6-months Are pregnant or plan to become pregnant within 1 year Report a heart condition, chest pain during periods of rest or activity, or loss of consciousness on the Physical Activity Readiness Questionnaire Report a medical condition that could jeopardize their safety in a weight control program with diet and exercise guidelines Have diabetes and are on insulin Report a medical condition that could jeopardize their safety in a weight loss program with diet and exercise guidelines Report conditions that, in the judgment of the PI, would render them unlikely to follow the protocol (e.g., relocation, dementia, unable to read and write in English) Report unable to read and write English

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 75 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Behavioral Economics intervention (BE mHealth)<br>Participants will receive a 12-month behavioral weight loss intervention delivered primarily via mobile phone (mHealth) that includes behavioral economics components. | Behavioral: Behavioral Economics intervention (BE mHealth)<br>* Participants will receive a 12-month behavioral weight loss intervention delivered primarily via mobile phone (mHealth) that includes behavioral economics components.<br>|
| Active Comparator: Standard mHealth intervention (mHealth)<br>Participants will receive a 12-month behavioral weight loss intervention delivered primarily via mobile phone (mHealth). | Behavioral: Standard mHealth intervention (mHealth)<br>* Participants will receive a 12-month behavioral weight loss intervention delivered primarily via mobile phone (mHealth).<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Weight | Weight change measured on a digital scale to the nearest 0.1-kilogram | Baseline, 2 month, 6 month, 12 month, 18 months | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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weight loss, low income, behavioral economics, contingency management, episodic future thinking, mHealth