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Financial Incentives to Exercise for Adolescents (MOVE)

25. März 2019 aktualisiert von: University of Oklahoma

Incentivizing Behavior: Promoting More Physical Activity in American Indian Youth

Among youth populations, American Indians have the highest prevalence of diabetes in the United States. This study will use exercise as the principal lifestyle modification approach to reduce the risk of diabetes in this population. The Choctaw Nation of Oklahoma has several excellent, but underutilized wellness facilities in their Health Services Area in rural Southeast Oklahoma, a low socioeconomic region. It has been established that exercise lowers diabetes risk, and many overweight/obese, insulin resistant American Indian youth who live in this region would benefit from an increase in regular exercise. The challenge is to modify behavior so that routine exercise is established and maintained. The proposed study will test whether monetary incentives can elicit greater frequency and duration of exercise in American Indian youth when transportation and access barriers are reduced.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

Study participants in the intervention arm of the study will be asked to exercise on 3 days per week for 48 weeks. Clinical and physical assessments will be performed at baseline and after 16, 32 and 48 weeks. Participants will be randomized into one of two groups. Each group will receive payment for exercise sessions completed but one group will be on a fixed schedule of compensation and the other will have a schedule that incentivizes frequency or duration of exercise. In addition, two reference groups of age-matched participants who are normal weight and subclassified as having either low or high levels of physical activity and fitness will be tested. The reference groups will complete baseline tests and will not enter the exercise intervention program.

Studientyp

Interventionell

Einschreibung (Tatsächlich)

142

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • Vereinigte Staaten
    • Oklahoma
      • Hugo, Oklahoma, Vereinigte Staaten, 74743
        • Choctaw Nation of Oklahoma Healthcare
      • Talihina, Oklahoma, Vereinigte Staaten, 74571
        • Choctaw Nation Diabetes Wellness Center

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

11 Jahre bis 20 Jahre (Kind, Erwachsene)

Akzeptiert gesunde Freiwillige

Ja

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria for exercise intervention cohort:

  • 11.0-20.9 years old
  • overweight or obese
  • family history of diabetes (primary or secondary relative)
  • not in sports or exercise program (3 or fewer days per week of moderate-to-vigorous intensity physical activity, MVPA) for prior 3 months
  • Tanner stage 2 or above

Inclusion Criteria for reference group cohort:

  • 11.0-20.9 years old
  • normal weight
  • For low physical activity subgroup: not in sports or exercise program (3 or fewer days per week of MVPA) for prior 3 months
  • For high physical activity subgroup: >30 minutes of structured MVPA on >3 days/week over the preceding 3 months
  • Tanner stage 2 or above

Exclusion Criteria for all participants:

  • metabolic, endocrine, cardiovascular, kidney disease
  • orthopedic problems that limit physical activity
  • medications or treatments that would interfere with the outcomes and interpretations
  • smoking or tobacco use
  • alcohol or illicit drug use
  • pregnancy

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Sonstiges
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Aktiver Komparator: Standard payment, phase 1
All participants will perform exercise training. Participants in this arm will receive a fixed amount of money for exercise session lasting at least 20 minutes during weeks 1-16 (phase 1). All exercise recommendations and outcome tests will be same for this group as the experimental group so that the two groups differ only in the financial incentives they receive for exercise behavior.
Verhalten: Exercise training
All participants will perform exercise training at the wellness center. Exercise duration and intensity will be recorded with heart rate monitors.
Aktiver Komparator: Standard payment, phase 2
All participants will perform exercise training. Participants in this arm will receive a fixed amount of money for exercise session lasting at least 20 minutes during weeks 17-32 (phase 2). All exercise recommendations and outcome tests will be same for this group as the experimental group so that the two groups differ only in the financial incentives they receive for exercise behavior.
Verhalten: Exercise training
All participants will perform exercise training at the wellness center. Exercise duration and intensity will be recorded with heart rate monitors.
Aktiver Komparator: Ramp-down payment, phase 3
All participants will perform exercise training. This phase will last from weeks 33-48 (phase 3). Participants in this arm will receive a fixed amount of money for exercise session lasting at least 20 minutes, but the value of the payments will decrease weekly (ramp-down) until reaching zero in week 41. All exercise recommendations and outcome tests will be same for this group as the experimental group so that the two groups differ only in the financial incentives they receive for exercise behavior.
Verhalten: Exercise training
All participants will perform exercise training at the wellness center. Exercise duration and intensity will be recorded with heart rate monitors.
Experimental: Incentivized payment, phase 1
All participants will perform exercise training. Participants in this arm will receive an increasing amount of money when they increase exercise frequency (number of days) during weeks 1-16 (phase 1). All exercise recommendations and outcome tests will be same for this group as the active comparator group so that the two groups differ only in the financial incentives they receive for exercise behavior
Verhalten: Exercise training
All participants will perform exercise training at the wellness center. Exercise duration and intensity will be recorded with heart rate monitors.
Experimental: Incentivized payment, phase 2
All participants will perform exercise training. Participants in this arm will receive an increasing amount of money when they exercise for longer than 20 minutes per session during weeks 17-32 (phase 2). All exercise recommendations and outcome tests will be same for this group as the active comparator group so that the two groups differ only in the financial incentives they receive for exercise behavior
Verhalten: Exercise training
All participants will perform exercise training at the wellness center. Exercise duration and intensity will be recorded with heart rate monitors.
Experimental: Raffle payment, phase 3
All participants will perform exercise training. In weeks 33-48 (phase 3)participants in this arm will receive fewer financial incentives than in the prior 32 weeks but they will be delivered through a raffle system to utilize a variable reinforcement approach. All exercise recommendations and outcome tests will be same for this group as the active comparator group so that the two groups differ only in the financial incentives they receive for exercise behavior.
Verhalten: Exercise training
All participants will perform exercise training at the wellness center. Exercise duration and intensity will be recorded with heart rate monitors.
Kein Eingriff: Normal weight, low activity group
This group of participants will complete only the baseline tests and assessments and will serve as a reference group. They will be selected to have low physical activity and fitness like the intervention group. Therefore differences in their results with the intervention group will reflect the effects of overweight/obesity on the variables of interest.
Kein Eingriff: Normal weight, high activity group
This group of participants will complete only the baseline tests and assessments and will serve as a reference group. They will be selected to have higher physical activity and fitness than the intervention group. They will therefore serve as a healthy reference group and differences in their results with the intervention group will reflect the effects of both overweight/obesity and physical activity on the variables of interest.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change From Baseline in Volume of Exercise (Total Time)
Zeitfenster: at baseline (week 0) and weeks 16, 32, and 48.
Frequency and duration of moderate-to-vigorous physical activity will be measured using heart rate monitors. The monitors will be worn each exercise session. Participants are asked to complete 3 exercise sessions per week throughout the 48-week period of enrollment. The primary comparison between the experimental and active comparator groups will be the volume of exercise (total time) accumulated. Comparisons will be made for accumulated exercise volume at 16, 32, and 48 weeks and the change from baseline (week 0).
at baseline (week 0) and weeks 16, 32, and 48.

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Insulin Resistance
Zeitfenster: at baseline (week 0) and weeks 16, 32, and 48.
Fasting blood glucose and insulin concentration will be measured and used to calculate the homeostatic model of assessment for insulin resistance (iHOMA2, %S). Testing will be performed at baseline (week 0) and weeks 16, 32, and 48. Data analysis will focus on the change from baseline and whether that change differs between groups.
at baseline (week 0) and weeks 16, 32, and 48.
Exercise Fitness
Zeitfenster: at baseline (week 0) and weeks 16, 32, and 48.
Peak oxygen uptake (VO2max) during a progressive intensity bicycle test to fatigue. Testing will be performed at baseline (week 0) and weeks 16, 32, and 48. Data analysis will focus on the change from baseline and whether that change differs between groups.
at baseline (week 0) and weeks 16, 32, and 48.
Body Composition
Zeitfenster: at baseline (week 0) and weeks 16, 32, and 48.
Body fat content. Testing will be performed at baseline (week 0) and weeks 16, 32, and 48. Data analysis will focus on the change from baseline and whether that change differs between groups.
at baseline (week 0) and weeks 16, 32, and 48.

Andere Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Physical Activity
Zeitfenster: at baseline (week 0) and weeks 16, 32, and 48.
Daily step counts measured with accelerometers. Testing will be performed at baseline (week 0) and weeks 16, 32, and 48. Data analysis will focus on the change from baseline and whether that change differs between groups.
at baseline (week 0) and weeks 16, 32, and 48.
Blood Lipids
Zeitfenster: at baseline (week 0) and weeks 16, 32, and 48.
Standard assessment of fasting triglycerides. Testing will be performed at baseline (week 0) and weeks 16, 32, and 48. Data analysis will focus on the change from baseline and whether that change differs between groups.
at baseline (week 0) and weeks 16, 32, and 48.

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

University of Oklahoma

Ermittler

  • Hauptermittler: Kevin R Short, PhD, University of Oklahoma
  • Hauptermittler: Kenneth C Copeland, MD, University of Oklahoma

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Allgemeine Veröffentlichungen

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

1. Mai 2013

Primärer Abschluss (Tatsächlich)

1. April 2017

Studienabschluss (Tatsächlich)

1. Mai 2017

Studienanmeldedaten

Zuerst eingereicht

25. April 2013

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

6. Mai 2013

Zuerst gepostet (Schätzen)

7. Mai 2013

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

3. April 2019

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

25. März 2019

Zuletzt verifiziert

1. März 2019

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • P20 MD000528-RP2

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