- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01249989
Make Better Choices (MBC2)
June 8, 2017 updated by: Bonnie Spring, Northwestern University
Make Better Choices (MBC) - Multiple Behavior Change in Diet and Activity
The average adult has a poor quality diet and sedentary lifestyle, but the best way to produce sustained healthy change remains unknown.
The MBC2 intervention uses handheld technology to help individuals monitor and transmit information about their eating and activity remotely to a behavior coach.
The proposed trial tests whether MBC2 intervention improves diet and activity more than a stress management control condition, and whether changing multiple health behaviors is best achieved by changing them all at the same time, or one after another.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
Poor quality diet and physical inactivity are the most prevalent, preventable causes of death in the United States.
In particular, high saturated fat diet (Fat), low fruit and vegetable intake (FV), low physical activity (PA), and high sedentary leisure screen time (Sed) co-occur and heighten the risks of cardiovascular disease and cancers.
The first Make Better Choices (MBC1) experiment contrasted four strategies to promote healthful change across these four risk behaviors.
Each intervention targeted two behaviors (one diet, one activity) simultaneously and either increased healthy or decreased unhealthy responding.
The intervention targeting increased FV and decreased Sed was most efficacious, yielding unexpectedly sustained improvement in three out of the four risk behaviors (FV, Sed, Fat).
The proposed MBC2 trial tests the efficacy of MBC intervention to promote sustained, healthful change in diet and activity at 6 and 12 months, as contrasted with a stress management control condition.
MBC2 tests competing hypotheses about the optimal way to increase PA without undermining the maintenance of FV, Sed, and Fat by changing multiple behaviors either sequentially or simultaneously.
Furthermore, MBC2 examines mediators and biomarkers of healthy lifestyle change.
Community dwelling adults (N=250) with suboptimal diet and inactive lifestyle will be randomized to the following conditions: 1) Sequential MBC (increasing FV intake and decreasing Sed, followed by increasing PA), 2) Simultaneous MBC (increasing FV, decreasing Sed, and increasing PA), or 3) Control (stress management).
Participants in all conditions will use Smartphones equipped with customized behavioral decision support tools to self-monitor health behaviors.
These handheld devices will be programmed to automatically transmit these data to our study server to be reviewed by a personal behavior coach.
Based on theories of self-regulation and habit strength, the Mastery hypothesis predicts superior health behavior change for participants randomized to the sequential condition.
It is anticipated that these effects will be mediated by greater habit strength for healthy eating and physical activity.
However, based on goal systems theory, the Synergy hypothesis predicts superior health behavior change among participants randomized to the simultaneous condition.
It is anticipated that these effects will be mediated by the establishment of superordinate healthy lifestyle goals.
The results of the MBC2 trial will assist researchers in understanding the optimal manner in which to facilitate multiple health behavior change in this population.
Furthermore, these data will help to identify the mechanisms that underlie healthy change among prevalent risk behaviors.
If successful, this trial will also result in an innovative, highly disseminable technology-supported minimal counseling intervention to address the American unhealthy diet and sedentary lifestyle.
Study Type
Interventional
Enrollment (Actual)
212
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Illinois
-
Chicago, Illinois, United States, 60611
- Northwestern University-Feinberg School of Medicine
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 65 years (Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Participants must expect to reside in the Chicagoland area for the next 9 months
- Must be willing to record diet, sedentary activities, and/or stress and sleep and wear an accelerometer for 12 weeks and intermittently thereafter for the next 9-months
- Must agree to make changes in eating and activity or in sleep and relaxation behaviors
Participants must report all of the following on screening questionnaires:
- Low fiber diet (< 9 FV servings/day)
- High saturated fat intake (> 8% of daily calories from fat)
- Less than 150 minutes per week of moderate intensity physical activity per week for the past 3 months (or less than 75 minutes of vigorous intensity activity per week)
- An average of > 120 minutes/day spent on non-work, non-education related use of the following recreational sedentary pastimes: television, videos/movies, videogames, and computer use
Exclusion Criteria:
- Unstable medical conditions (e.g., uncontrolled hypertension, diabetes, recent myocardial infarction)
- Physician approval for those with existing and controlled medication conditions
- Those that require an assistive device for ambulation
- > 350 lbs
- Currently taking weight loss medications
- Psychiatric hospitalization in past 5 years
- Those at risk for adverse cardiovascular disease (CVD) events with moderate intensity activity (e.g., CVD symptoms while walking, those scheduled for cardiac stress test within 2 months)
- Those who cannot read English sufficiently to respond to self-report questionnaires
- Current or anticipated pregnancy
- Women who are lactating
- Current active eating disorders (anorexia, bulimia)
- Current substance abuse or dependence (other than nicotine)
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Factorial Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Sequential MBC Condition
Participants in the sequential condition will increase F/V consumption and decrease Sed behavior (weeks 1-6), then increase physical activity (weeks 7-12).
Smartphones are equipped with customized real-time goal thermometers that provide objective feedback on target behaviors (FV, Sed, and PA).
At the start of prescription, the FV and Sed goal thermometers are activated.
During week 1-2, participants will close 1/3 of the gap between their baseline behaviors and target behaviors.
During week 3-4 they will close 2/3 of the gap, and in weeks 5-6 they will achieve 100% of their goals.
Participants will maintain these goals for the remainder of the 12-week intervention.
At week 7, a real-time PA goal thermometer wirelessly linked to accelerometers will be activated.
Similarly, in weeks 7-8 participants will be asked to close 1/3 of the gap between their baseline PA and target, in week 9-10 they will close 2/3 of the gap, and finally they will reach 100% of their PA goal in weeks 11-12.
|
Participants in the sequential condition will increase F/V consumption and decrease Sed behavior (weeks 1-6), then increase physical activity (weeks 7-12).
Smartphones are equipped with customized real-time goal thermometers that provide objective feedback on target behaviors (FV, Sed, and PA).
At the start of prescription, the FV and Sed goal thermometers are activated.
During week 1-2, participants will close 1/3 of the gap between their baseline behaviors and target behaviors.
During week 3-4 they will close 2/3 of the gap, and in weeks 5-6 they will achieve 100% of their goals.
Participants will maintain these goals for the remainder of the 12-week intervention.
At week 7, a real-time PA goal thermometer wirelessly linked to accelerometers will be activated.
Similarly, in weeks 7-8 participants will be asked to close 1/3 of the gap between their baseline PA and target, in week 9-10 they will close 2/3 of the gap, and finally they will reach 100% of their PA goal in weeks 11-12.
|
Experimental: Simultaneous MBC Condition
Participants in the simultaneous condition will target FV+, Sed- and PA+ simultaneously.
Participants will wear accelerometers and enter diet and sedentary activity 5 days/week on their Smartphone.
All 3 goal thermometers will be activated from the outset of prescription (FV, Sed, PA).
In week 1-2, participants will close 1/3 of the gap between their baseline FV, Sed, and PA behavior and their goals.
In week 3-4 participants will close 2/3 of the gap, and 100% of their goals in weeks 5-6.
Participants will maintain their target behaviors for FV, Sed and PA through week 12.
|
Simultaneous MBC condition will target FV+, Sed- and PA+ simultaneously.
Participants in the simultaneous condition will wear their accelerometers and enter diet and sedentary activity 5 days/week.
All 3 goal thermometers will be activated from the outset of prescription.
The goal will be to close 1/3 of the gap between their FV, Sed, and PA statuses and the targets in weeks 1-2, close 2/3 of the gap in weeks 3-4, reach their targets in weeks 5-6, and then maintain target level behavior changes for FV, Sed and PA through week 12.
|
Active Comparator: Stress Management Control
Participants in the stress management control condition target stress, relaxation and sleep.
This will serve as an attentional control condition.
During the 12-week prescription period, participants will wear accelerometers, log hours slept, enter real-time information about their relaxation exercises and stress, and monitor 3 goal thermometers (sleep, relaxation, stress) to meet behavioral targets.
Similarly, their goal is to close 1/3 of the gap between their baseline stress, sleep, and performance of relaxation exercises and the target criterion in weeks 1-2, close 2/3 of the gap in weeks 3-4, reach their targets in weeks 5-6, and then maintain these behavior changes through week 12.
|
Participants in the stress management control condition target stress, relaxation and sleep.
This will serve as an attentional control condition.
During the 12-week prescription period, participants will wear accelerometers, log hours slept, enter real-time information about their relaxation exercises and stress, and monitor 3 goal thermometers (sleep, relaxation, stress) to meet behavioral targets.
Similarly, their goal is to close 1/3 of the gap between their baseline stress, sleep, and performance of relaxation exercises and the target criterion in weeks 1-2, close 2/3 of the gap in weeks 3-4, reach their targets in weeks 5-6, and then maintain these behavior changes through week 12.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Fruit/Vegetable Serving Intake
Time Frame: 3, 6, and 9 months
|
Change from baseline in standard fruit/vegetable serving intake measured at 3, 6, and 9 months.
|
3, 6, and 9 months
|
Change in Saturated Fat (% of daily calories from fat) Intake
Time Frame: 3, 6, and 9-months
|
Change from baseline in saturated fat intake (assessed by % of daily calories from fat) at 3, 6, 9-months.
|
3, 6, and 9-months
|
Change in Sedentary Leisure Screen Time (minutes/week)
Time Frame: 3, 6, and 9-months
|
Change from baseline in minutes per week of sedentary leisure screen time (e.g., TV watching, recreational computer use) at 3, 6, and 9-months.
|
3, 6, and 9-months
|
Change in Physical Activity (minutes/week)
Time Frame: 3, 6, and 9-months
|
Change from baseline in minutes per week of physical activity measured by accelerometer at 3, 6, and 9-months.
|
3, 6, and 9-months
|
Change in Dietary Intake
Time Frame: 3 and 9-months
|
Change from baseline in dietary consumption (e.g., fruits/vegetables) measured by clinician administered dietary recall (Block Food Frequency Questionnaire) at 3 and 9-months.
This standardized measure will be used to validate the self-report data.
|
3 and 9-months
|
Healthy Diet and Activity Improvement
Time Frame: 3, 6, and 9 months
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Healthy diet and activity improvement standardized to a common z score metric and aggregated across changes in fruit and vegetable intake, saturated fat intake, sedentary leisure screen time, and physical activity
|
3, 6, and 9 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Blood Pressure (mmHg)
Time Frame: 3 and 9-months
|
Change from baseline in blood pressure measured in mmHg according to the CARDIA protocol.
|
3 and 9-months
|
Change in Lipids
Time Frame: 3 and 9-months
|
Change from baseline in lipids (total cholesterol, triglycerides, HDL-C, calculated LDL-C) assayed following antecubital venipuncture
|
3 and 9-months
|
Change in Insulin (mg/dL)
Time Frame: 3 and 9-months
|
Change from baseline in insulin measured in mg/dL via immunoassay following antecubital venipuncture at 3 and 9-months.
|
3 and 9-months
|
Change in Weight (kg)
Time Frame: 3 and 9-months
|
Change from baseline in body weight in kg measured using calibrated beam balance scale at 3 and 9-months.
|
3 and 9-months
|
Change in Waist circumference (cm)
Time Frame: 3 and 9-months
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Change from baseline in waist circumference measured in cm (repeated twice, then averaged) at 3 and 9-months.
|
3 and 9-months
|
Change in Quality of Life
Time Frame: 3 and 9-months
|
Change from baseline in quality of life measured by the SF-36 self-report questionnaire at 3 and 9-months.
|
3 and 9-months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Bonnie Spring, PhD, ABPP, Northwestern University
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Pellegrini CA, Steglitz J, Johnston W, Warnick J, Adams T, McFadden HG, Siddique J, Hedeker D, Spring B. Design and protocol of a randomized multiple behavior change trial: Make Better Choices 2 (MBC2). Contemp Clin Trials. 2015 Mar;41:85-92. doi: 10.1016/j.cct.2015.01.009. Epub 2015 Jan 24.
- Hibler E, Huang L, Andrade J, Spring B. Impact of a diet and activity health promotion intervention on regional patterns of DNA methylation. Clin Epigenetics. 2019 Sep 11;11(1):133. doi: 10.1186/s13148-019-0707-0.
- Spring B, Pellegrini C, McFadden HG, Pfammatter AF, Stump TK, Siddique J, King AC, Hedeker D. Multicomponent mHealth Intervention for Large, Sustained Change in Multiple Diet and Activity Risk Behaviors: The Make Better Choices 2 Randomized Controlled Trial. J Med Internet Res. 2018 Jun 19;20(6):e10528. doi: 10.2196/10528.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
November 1, 2011
Primary Completion (Actual)
March 1, 2015
Study Completion (Actual)
March 1, 2015
Study Registration Dates
First Submitted
November 23, 2010
First Submitted That Met QC Criteria
November 27, 2010
First Posted (Estimate)
November 30, 2010
Study Record Updates
Last Update Posted (Actual)
June 12, 2017
Last Update Submitted That Met QC Criteria
June 8, 2017
Last Verified
June 1, 2017
More Information
Terms related to this study
Other Study ID Numbers
- R01HL075451 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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