Behavioral Economics for Activity Motivation in Adolescents (BEAM)
NCT ID: NCT04874415
Last Updated: 2025-10-28
Study Results
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View full resultsBasic Information
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COMPLETED
NA
75 participants
INTERVENTIONAL
2021-11-16
2024-10-04
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
FACTORIAL
OTHER
SINGLE
Study Groups
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Condition 1
1RLD=One text per day, ramped goal, loss incentive, daily goal time period.
1RLD
1RLD=One text per day, ramped goal, loss incentive, daily goal time period
Condition 2
1RLW=One text per day, ramped goal, loss incentive, weekly goal time period.
1RLW
1RLW=One text per day, ramped goal, loss incentive, weekly goal time period.
Condition 3
1RGD=One text per day, ramped goal, gain incentive, daily goal time period.
1RGD
1RGD=One text per day, ramped goal, gain incentive, daily goal time period.
Condition 4
1RGW=One text per day, ramped goal, gain incentive, weekly goal time period.
1RGW
One text per day, ramped goal, gain incentive, weekly goal time period.
Condition 5
2RLD=Two texts per day, ramped goal, loss incentive, daily goal time period.
2RLD
Two texts per day, ramped goal, loss incentive, daily goal time period.
Condition 6
2RLW=Two texts per day, ramped goal, loss incentive, weekly goal time period.
2RLW
Two texts per day, ramped goal, loss incentive, weekly goal time period.
Condition 7
2RGD=Two texts per day, ramped goal, gain incentive, daily goal time period.
2RGD
Two texts per day, ramped goal, gain incentive, daily goal time period.
Condition 8
2RGW=Two texts per day, ramped goal, gain incentive, weekly goal time period.
2RGW
Two texts per day, ramped goal, gain incentive, weekly goal time period.
Condition 9
1FLD=One text per day, fixed goal, loss incentive, daily goal time period.
1FLD
One text per day, fixed goal, loss incentive, daily weekly goal time period.
Condition 10
1FLW=One text per day, fixed goal, loss incentive, weekly goal time period.
1FLW
One text per day, fixed goal, loss incentive, weekly goal time period.
Condition 11
1FGD=One text per day, fixed goal, gain incentive, daily goal time period.
1FGD
One text per day, fixed goal, gain incentive, daily goal time period.
Condition 12
1FGW=One text per day, fixed goal, gain incentive, weekly goal time period.
1FGW
One text per day, fixed goal, gain incentive, weekly goal time period.
Condition 13
2FLD=Two texts per day, fixed goal, loss incentive, daily goal time period.
2FLD
Two texts per day, fixed goal, loss incentive, daily goal time period.
Condition 14
2FLW=Two texts per day, fixed goal, loss incentive, weekly goal time period.
2FLW
Two texts per day, fixed goal, loss incentive, weekly goal time period.
Condition 15
2FGD=Two texts per day, fixed goal, gain incentive, daily goal time period.
2FGD
Two texts per day, fixed goal, gain incentive, daily goal time period.
Condition 16
2FGW=Two texts per day, fixed goal, gain incentive, weekly goal time period.
2FGW
Two texts per day, fixed goal, gain incentive, weekly goal time period.
Interventions
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1RLD
1RLD=One text per day, ramped goal, loss incentive, daily goal time period
1RLW
1RLW=One text per day, ramped goal, loss incentive, weekly goal time period.
1RGD
1RGD=One text per day, ramped goal, gain incentive, daily goal time period.
1RGW
One text per day, ramped goal, gain incentive, weekly goal time period.
2RLD
Two texts per day, ramped goal, loss incentive, daily goal time period.
2RLW
Two texts per day, ramped goal, loss incentive, weekly goal time period.
2RGD
Two texts per day, ramped goal, gain incentive, daily goal time period.
2RGW
Two texts per day, ramped goal, gain incentive, weekly goal time period.
1FLD
One text per day, fixed goal, loss incentive, daily weekly goal time period.
1FLW
One text per day, fixed goal, loss incentive, weekly goal time period.
1FGD
One text per day, fixed goal, gain incentive, daily goal time period.
1FGW
One text per day, fixed goal, gain incentive, weekly goal time period.
2FLD
Two texts per day, fixed goal, loss incentive, daily goal time period.
2FLW
Two texts per day, fixed goal, loss incentive, weekly goal time period.
2FGD
Two texts per day, fixed goal, gain incentive, daily goal time period.
2FGW
Two texts per day, fixed goal, gain incentive, weekly goal time period.
Eligibility Criteria
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Inclusion Criteria
* 2\) Overweight or obese (BMI ≥85th percentile for age/sex, or ≥25 kg/m2 for participants ≥18 years)
* 3\) Diagnosis with prediabetes or type 2 diabetes
* 4\) Consent (subjects 18 and older), Parental/guardian permission (subjects 13-17), assent (subjects 13-17)
* 5\) Willingness to wear Fitbit during waking hours daily for duration of run-in and intervention.
* 6\) Possession of a smartphone.
Exclusion Criteria
* 2\) Severe cognitive impairment
* 3\) Permanent or temporary physical disability that impairs ambulation or precludes engagement in MVPA
* 4\) Current pregnancy
* 5\) Previously-diagnosed or current restrictive or purging eating disorder
* 6\) Moderate to vigorous physical activity (MVPA) \>30 minutes per day or Fitbit wear \< 4 days during second week of 2-week run-in period
13 Years
22 Years
ALL
No
Sponsors
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National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
University of Pittsburgh
OTHER
Responsible Party
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Mary Ellen Vajravelu, MD
Assistant Professor
Locations
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UPMC Children's Hospital of Pittsburgh
Pittsburgh, Pennsylvania, United States
Countries
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Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Document Type: Informed Consent Form
Other Identifiers
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STUDY21040122
Identifier Type: -
Identifier Source: org_study_id
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