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CompletedNCT03624582Updated Jun 21, 2022

Shape Up Kids Fitness Ancillary

An observational study in Childhood Obesity, sponsored by Pennington Biomedical Research Center. Completed at 1 site in United States. Open to participants aged 8 Years to 17 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2022-06-21.

Sponsored by Pennington Biomedical Research Center · Observational

Study type
Observational
Model
Cohort
Time perspective
Cross-sectional
Enrollment
60
Ages
8 Years to 17 Years
Sex
All
01

Study summary

The overall objective of this study is to quantify the decision-making process and underlying biases around leisure activity behaviors using the Activity Preference Assessment (APA), a novel psychological task. The investigators plan to validate the APA against objectively measured sedentary and physical activity time, and examine its potential to predict health-related outcomes in children and adolescents. The Shape Up Kids Fitness Ancillary protocol will add exercise testing, cognitive and behavioral measures, accelerometry, and questionnaires to the existing Shape Up Kids primary study dataset.

Read the detailed description

The investigators will enroll 60 boys and girls (50% female) between the ages of 8-17 years into this pilot and feasibility ancillary study. The aims of this study are to validate and test the reliability of the Activity Preference Assessment (APA), as described below.

Aim 1: To examine the convergent validity of the APA against habitual physical and sedentary activity time measured objectively by seven days of accelerometry, as well as leisure activity choices during a 30-minute free-choice play period.

Aim 2: To examine the criterion validity of the APA against concurrent measures of body composition, cardiometabolic health indicators, aerobic fitness, and physical strength.

Aim 3: To measure the test-retest reliability of APA outcomes through repeated measures separated by approximately one week.

Exploratory Aim: To investigate patterns or clusters of activity preferences through exploratory factor analysis of activity liking VAS scores.

02

Conditions studied

  • Childhood Obesity

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Keywords

  • Cardiorespiratory fitness
  • Sedentary behavior
  • Physical activity
  • Decision-making
  • Cardiometabolic risk factors
03

In context

Pediatric Obesity

1,117 studies on the registry are indexed under Pediatric Obesity; 189 are open to participants now.

This study's enrollment of 60 is below the median of 200 across 231 observational studies indexed under Pediatric Obesity.

Browse Pediatric Obesity studies →

Lead sponsor

Pennington Biomedical Research Center is the lead sponsor of 277 studies on the registry; 29 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
8 Years to 17 Years
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

This study will identify and recruit 60 participants from the Shape Up Kids primary study sample of 360 participants. Ancillary participants will be between the ages of 8-17 years. We will have an even distribution of boys (n=30) and girls (n=30) and aim to have a representative distribution of race.

Inclusion criteria

  • Eligible for the Shape Up Kids primary study
  • Height ≥ 4 feet 8 inches
  • Body weight \< 350 lbs

Exclusion criteria

Exclusion Criteria:

  • American College of Sports Medicine (ACSM) contraindications to exercise testing (i.e., medical history of cardiovascular or pulmonary conditions, physical conditions that affect the ability to exercise)
05

Study design

Observational model
Cohort
Time perspective
Cross-sectional
Enrollment
60 participants (actual)
Patient registry
No
06

What researchers measure

Primary outcomes

  1. Time 1 APA bias scores

    Bias scores are calculated from reaction times and choices made during the forced-choice section of the APA. Scores range from -100 to +100, with negative scores indicating a bias towards physical activities, and positive scores indicating a bias towards sedentary activities.

    Time frame: Day 0 / Primary Study Visit

  2. Time 2 APA bias scores

    Bias scores are calculated from reaction times and choices made during the forced-choice section of the APA. Scores range from -100 to +100, with negative scores indicating a bias towards physical activities, and positive scores indicating a bias towards sedentary activities.

    Time frame: 8-21 days after Primary Study Visit

  3. Habitual physical and sedentary activity

    Physical and sedentary activity time are measured for 24 hours per day over 7 consecutive days, including 2 weekend days, using ActiGraph GT3X+ accelerometers worn on the left mid-axillary line.

    Time frame: 7 days between visits

  4. Free-choice play period

    Children will have 30 minutes to play freely in a room with a variety of sedentary and physical activity choices. Trained observers will record children's activity every 15 seconds.

    Time frame: 8-21 days after Primary Study Visit

Secondary outcomes

  1. Cardiorespiratory fitness

    Cardiorespiratory fitness, or VO2peak in mL/kg/min, is measured using a graded cycle ergometer test to volitional fatigue.

    Time frame: 8-21 days after Primary Study Visit

  2. Body composition 1

    In the Shape Up Kids primary study, body composition is measured using bioelectrical impedance analysis (BIA).

    Time frame: Day 0 / Primary Study Visit

  3. Body composition 2

    In the Shape Up Kids primary study, body composition is measured using whole-body dual-energy x-ray absorptiometry (DXA).

    Time frame: Day 0 / Primary Study Visit

  4. Body composition 3

    In the Shape Up Kids primary study, body composition is measured using whole-body magnetic resonance imaging (MRI).

    Time frame: Day 0 / Primary Study Visit

  5. Physical strength

    In the Shape Up Kids primary study, physical strength is assessed with dynamometers.

    Time frame: Day 0 / Primary Study Visit

  6. Resting blood pressure

    In the Shape Up Kids primary study, blood pressure is assessed after 5 minutes of rest.

    Time frame: Day 0 / Primary Study Visit

  7. Resting heart rate

    In the Shape Up Kids primary study, heart rate is assessed after 5 minutes of rest.

    Time frame: Day 0 / Primary Study Visit

  8. Cardiometabolic disease biomarkers

    In the Shape Up Kids primary study, fasting levels of lipid, glucose, and inflammatory biomarkers are assessed via blood draw with a single Chem 26 assay panel.

    Time frame: Day 0 / Primary Study Visit

  9. Time 1 activity liking and wanting Visual Analog Scale (VAS) scores

    Participants will rate how much they like to do and want to do each of the activities included in the APA on VAS that range from 0 or "Not at all" to 100 or "Like/Want very much"

    Time frame: Day 0 / Primary Study Visit

  10. Time 2 activity liking and wanting VAS scores

    Participants will rate how much they like to do and want to do each of the activities included in the APA on VAS that range from 0 or "Not at all" to 100 or "Like/Want very much"

    Time frame: 8-21 days after Primary Study Visit

Other outcomes

  1. International Sedentary Assessment Tool

    Children will fill out questionnaires regarding possible socio-emotional factors that can influence activity choices, including the International Sedentary Assessment Tool. This survey will be scored according to standard published procedures.

    Time frame: 8-21 days after Primary Study Visit

  2. Mood and Feelings Questionnaire

    Children will fill out questionnaires regarding possible socio-emotional factors that can influence activity choices, including the Mood and Feelings Questionnaire (short version). This survey will be scored according to standard published procedures.

    Time frame: 8-21 days after Primary Study Visit

  3. Physical Self Description Scale

    Children will fill out questionnaires regarding possible socio-emotional factors that can influence activity choices, including the Physical Self Description Scale. This survey will be scored according to standard published procedures.

    Time frame: 8-21 days after Primary Study Visit

  4. Body Esteem Scale

    Children will fill out questionnaires regarding possible socio-emotional factors that can influence activity choices, including the Body Esteem Scale. This survey will be scored according to standard published procedures.

    Time frame: 8-21 days after Primary Study Visit

  5. Neighborhood and home environment survey

    Parents will describe environmental factors through a neighborhood and home environment survey. Selected items from this survey will be used as covariates in analyses.

    Time frame: 8-21 days after Primary Study Visit

07

Study locations

1 site
  • Pennington Biomedical Research Center
    Baton Rouge, Louisiana 70808, United States
08

References and documents

Publications

  • Fearnbach SN, Martin CK, Heymsfield SB, Staiano AE, Newton RL Jr, Garn AC, Johannsen NM, Hsia DS, Carmichael OT, Ramakrishnapillai S, Murray KB, Blundell JE, Finlayson G. Validation of the Activity Preference Assessment: a tool for quantifying children's implicit preferences for sedentary and physical activities. Int J Behav Nutr Phys Act. 2020 Aug 24;17(1):108. doi: 10.1186/s12966-020-01014-6. PubMed 32831103 ↗

Individual participant data

Plan to share: No

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 21, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03624582
Lead sponsor
Pennington Biomedical Research Center
Collaborators
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), Louisiana State University, Baton Rouge, University of Leeds
Responsible party
S. Nicole Fearnbach (Principal Investigator, Pennington Biomedical Research Center) — Principal investigator
First posted
Aug 10, 2018
Start date
Jul 2, 2018
Primary completion
Dec 30, 2019
Completion
Dec 17, 2020
Last update
Jun 21, 2022

Study contacts

S. Nicole Fearnbach, PhD
principal investigator · Pennington Biomedical Research Center

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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