Social and Financial Incentives to Increase Physical Activity Among Overweight and Obese Veterans

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

180 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-03-19

Study Completion Date

2020-08-09

Brief Summary

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In this randomized, controlled trial the investigators will compare the use of social and financial incentive-based interventions to increase physical activity among overweight and obese Veterans during a 12-week intervention with 8 weeks of follow-up.

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COMPLETED PHASE3

Detailed Description

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In this 3-arm randomized trial, the investigators will compare the effectiveness of a social incentive-based gamification intervention with and without loss-framed financial incentives to increase physical activity relative to a control among overweight and obese adults Veterans. All Veterans will use a Fitbit wearable device to establish a baseline step count, select a step goal increase of 33% to 50% above baseline and then participate in a 12-week intervention and 8-week follow-up period. The two intervention arms will be entered into a game with points and levels designed using insights from behavioral economics. They will be asked to select a social support partner who will receive weekly updates on their progress in the game. Veterans in one arm will also receive loss-framed financial incentives allocated to an account each week during the intervention and financial incentives taken away each day the step goal was not achieved.

Conditions

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Physical Activity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Parallel 3-arm randomized, controlled trial

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

DOUBLE

Investigators Outcome Assessors

Investigator and Outcomes assessor will be masked until the trial is completed and all analyses are finished.

Study Groups

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Control

This arm serves as control and uses a wearable device to track daily step counts

Group Type NO_INTERVENTION

No interventions assigned to this group

Social Incentive Gamification

This arm uses a wearable device to track daily step counts, is entered into social incentive gamification, and selects a support sponsor

Group Type EXPERIMENTAL

Social Incentive Gamification

Intervention Type BEHAVIORAL

Game-based intervention with points and levels

Support Sponsor

Intervention Type BEHAVIORAL

Participants select a support sponsor to receive weekly updates on progress in the game

Social Incentive Gamification and Financial Incentive

This arm uses a wearable device to track daily step counts, is entered into social incentive gamification, selects a support sponsor, and receives a financial incentive

Group Type EXPERIMENTAL

Social Incentive Gamification

Intervention Type BEHAVIORAL

Game-based intervention with points and levels

Support Sponsor

Intervention Type BEHAVIORAL

Participants select a support sponsor to receive weekly updates on progress in the game

Financial Incentive

Intervention Type BEHAVIORAL

Participants receive a loss-framed financial incentive allocated upfront each week and financial incentives taken away each day the goal is not met

Interventions

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Social Incentive Gamification

Game-based intervention with points and levels

Intervention Type BEHAVIORAL

Support Sponsor

Participants select a support sponsor to receive weekly updates on progress in the game

Intervention Type BEHAVIORAL

Financial Incentive

Participants receive a loss-framed financial incentive allocated upfront each week and financial incentives taken away each day the goal is not met

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Veterans
* Body mass index of 25 or greater
* Access to smartphone or tablet to sync wearable device data
* Interest in participating in a 20-week physical activity program

Exclusion Criteria

* Already participating in a physical activity research study
* Unable to provide informed consent
* Unsafe or infeasible to participate
* No access to smartphone or table to sync wearable device data

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No