Behavioral Economics-Based Online Lifestyle Balance Program

NCT ID: NCT03534336

Last Updated: 2018-08-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

710 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-10-12

Study Completion Date

2016-06-22

Brief Summary

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The objective of this project is to design a Behavioral Economics Based Online Lifestyle Balance Program that employs behavioral economics to engage and motivate adherence to an Internet-based program. The investigators compare the effects of two financial incentives on inducing weight loss: a direct financial incentive for weight loss and a financial incentive for health literacy.

Detailed Description

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This project investigates whether participants in an online weight loss program can be induced to achieve weight loss using financial incentives. The study is a 3-arm randomized controlled trial (RCT) stratified by gender. The goal is to examine how overweight individuals respond to two different types of financial incentives. The first type of incentive, incentive for weight loss (IW), is a cash award of approximately $150 given for achieving 5% weight loss over 12 weeks. The second type of incentive, incentive for education (IE), is a $150 award for passing quizzes that test the participants' health literacy about weight loss and the techniques required for maintaining a healthy lifestyle. The investigators compare the effectiveness of IW to IE in promoting weight loss in overweight individuals and investigate whether the two incentives work equally well for men and women.

Conditions

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Weight Reduction Health Knowledge, Attitudes, Practice

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

3-arm RCT (Control, Incentive for Weight Loss, Incentive for Education) stratified by Gender.
Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants
A participant knows only the information that is specific to his/her arm.

Study Groups

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Control

Participants are enrolled in a 12-week, self-administered online weight loss program. The program is delivered through 12 weekly sessions; each includes educational videos and a health literacy quiz. Each quiz contains 10 questions, and a quiz is considered "passed" when at least 7 questions are answered correctly. All participants are encouraged to follow the program, take the quizzes, and lose 5% of their baseline body weight by the end of the program.

No financial incentives are given for losing weight or passing quizzes.

Group Type NO_INTERVENTION

No interventions assigned to this group

Incentive for Education

Same 12-week, self-administered online weight loss program as in the Control arm.

Each participant is also given a $150 "Incentive for Education" for passing at least nine quizzes by the end of the program.

Group Type EXPERIMENTAL

Incentive for Education

Intervention Type BEHAVIORAL

A $150 "Incentive for Education" is given to the participants for passing at least nine quizzes by the end of the program

Incentive for Weight Loss

Same 12-week, self-administered online weight loss program as in the Control arm.

Each participant is also given a $150 "Incentive for Weight Loss" for losing 5% of their baseline body weight.

Group Type EXPERIMENTAL

Incentive for Weight Loss

Intervention Type BEHAVIORAL

A $150 "Incentive for Weight Loss" is given to the participants for losing at least 5% of baseline weight by the end of the program

Interventions

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Incentive for Education

A $150 "Incentive for Education" is given to the participants for passing at least nine quizzes by the end of the program

Intervention Type BEHAVIORAL

Incentive for Weight Loss

A $150 "Incentive for Weight Loss" is given to the participants for losing at least 5% of baseline weight by the end of the program

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* BMI between 23 and 33
* Age between 40 and 60 years old

Exclusion Criteria

* History of diabetes
* History of significant cardiovascular disease
* Family history of atherosclerosis
* High blood pressure
* Significant lung disease
Minimum Eligible Age

40 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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National University of Singapore

OTHER

Sponsor Role lead

Responsible Party

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Prof Ho Teck Hua

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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National University of Singapore

Singapore, , Singapore

Site Status

Countries

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Singapore

Other Identifiers

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A-14-071

Identifier Type: -

Identifier Source: org_study_id

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