Weight ReductionNCT03534336
Behavioral Economics-Based Online Lifestyle Balance Program
A study testing Incentive for Education and Incentive for Weight Loss in people with Weight Reduction and Health Knowledge, Attitudes, Practice, run by National University of Singapore at 1 site in Singapore.
Trial summary
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. Read more about this study
- Who is it for?
- Ages 40 to 60 yearsHealthy volunteers can take part
- Conditions the study is for
- Weight Reduction, Health Knowledge, Attitudes, Practice
- What is being tested?
- Incentive for Education and Incentive for Weight Loss
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 710 participants
- Where
- 1 siteSingapore
- Study dates
- 12 Oct 2015to 22 Jun 2016
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 40 to 60 years
- All sexes
- Healthy volunteers accepted
- Adult
Who may be able to join
- BMI between 23 and 33
- Age between 40 and 60 years old
Who cannot join
- History of diabetes
- History of significant cardiovascular disease
- Family history of atherosclerosis
- High blood pressure
- Significant lung disease
Trial locations and contacts
1 site in 1 country.
About this study
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.
Read the detailed description
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.
- Being tested
- Incentive for Education, Incentive for Weight Loss
- Keywords
- Weight Reduction, Health Literacy, Financial Incentives, Lifestyle Change
- Medical subject headings
- Weight Loss, Behavior
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Incentive for EducationBehavioural
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 LossBehavioural
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
| Study group | Role | What they receive |
|---|---|---|
| Control | No intervention | 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. |
| Incentive for Education | Experimental | 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. Receives: Behavioral: Incentive for Education |
| Incentive for Weight Loss | Experimental | 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. Receives: Behavioral: Incentive for Weight Loss |
What is being measured
The primary outcome is the main question the study is designed to answer.
Weight Loss at the end of the weight loss program (at Week 13)
Weight measured at the Week 13 weigh-in session. Weight measurements are taken by trained research assistants using digital scales.
Measured: At week 13 of the RCT.
Secondary outcomes (1)
Weight Loss at the end of the post-intervention period (Week 25)
Weight measured at the Week 25 weigh-in session. Weight measurements are taken by trained research assistants using digital scales.
Measured: At week 25 of the RCT.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted23 May 2018
- Study start12 Oct 2015
- Primary completion22 Jun 2016
- Study completion22 Jun 2016
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Weight ReductionStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Factorial
- Model description
- 3-arm RCT (Control, Incentive for Weight Loss, Incentive for Education) stratified by Gender.
- Masking
- Single blind
- Who is masked
- Participant
- Enrolment
- 710 participants (actual)
Sponsor and investigators
- Lead sponsor
- National University of Singapore
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Prof Ho Teck Hua, National University of Singapore
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03534336
- Sponsor's protocol ID
- A-14-071
- Status last verified
- Aug 2018
- First submitted
- 11 May 2018
- Last updated
- 22 Aug 2018
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: Individual participant data that underlie the results reported in the research, after de-identification (text, tables, figures, and appendices).
Study at a glance
From the registry record, last updated by the sponsor on 22 Aug 2018. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Behavioral Economics-Based Online Lifestyle Balance Program
- ClinicalTrials.gov ID
- NCT03534336
- Acronym / sponsor ID
- A-14-071
- Keywords
- Weight Reduction, Health Literacy, Financial Incentives, Lifestyle Change
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 710 participants (actual)
- Lead sponsor
- National University of SingaporeUniversity, hospital or other
- Study start
- 12 Oct 2015 (actual)
- Primary completion
- 22 Jun 2016 (actual)
- Study completion
- 22 Jun 2016 (actual)
- First posted
- 23 May 2018 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
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
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.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Factorial
- Masking
- Single blind (participant)
- Number of arms
- 3
- Model description
- 3-arm RCT (Control, Incentive for Weight Loss, Incentive for Education) stratified by Gender.
| Arm | Type | Receives |
|---|---|---|
| Control | No intervention | –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. |
| Incentive for Education | Experimental | Behavioral: Incentive for EducationSame 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. |
| Incentive for Weight Loss | Experimental | Behavioral: Incentive for Weight LossSame 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. |
Who may qualify
- Ages
- 40 to 60 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (2 listed)
- BMI between 23 and 33
- Age between 40 and 60 years old
Key exclusion criteria (5 listed)
- History of diabetes
- History of significant cardiovascular disease
- Family history of atherosclerosis
- High blood pressure
- Significant lung disease
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Incentive for EducationA $150 "Incentive for Education" is given to the participants for passing at least nine quizzes by the end of the program | Behavioural | Incentive for Education |
| Incentive for Weight LossA $150 "Incentive for Weight Loss" is given to the participants for losing at least 5% of baseline weight by the end of the program | Behavioural | Incentive for Weight Loss |
Primary outcome
Weight Loss at the end of the weight loss program (at Week 13)
Time frame: At week 13 of the RCT.
Weight measured at the Week 13 weigh-in session. Weight measurements are taken by trained research assistants using digital scales.
1 secondary outcome
Weight Loss at the end of the post-intervention period (Week 25)
Time frame: At week 25 of the RCT.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 22 Aug 2018.
- Individual participant dataSharing planned: Yes. Individual participant data that underlie the results reported in the research, after de-identification (text, tables, figures, and appendices).
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Incentive for Education and Incentive for Weight Loss in people with Weight Reduction and Health Knowledge, Attitudes, Practice, run by National University of Singapore at 1 site in Singapore.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 22 Aug 2018. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Singapore. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Weight Loss at the end of the weight loss program (at Week 13) (time frame: At week 13 of the RCT.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Aug 2018.