The Impact of an Elementary School Based Intervention on Physical Activity Opportunities and Aerobic Capacity. Public

Braun, Hayley Anne (2016)

Permanent URL: https://etd.library.emory.edu/concern/etds/1n79h441z?locale=fr
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Abstract

Objectives: To determine the impact of a one-year physical activity (PA) intervention on changes in school PA opportunities and assess the relationship between changes in school-based PA opportunities and aerobic capacity.

Methods: The multi-level PA intervention was provided to 39 schools in Georgia. Pre- and post- intervention Progressive Aerobic Cardiovascular Endurance Run (PACER) data (a measure of aerobic capacity) were collected for 4th grade students (n=2,342). An online survey was administered to faculty to assess PA opportunities and school setting determinants of PA. Replicated linear regressions were run on changes in school-based PA time to measure the linear correlation with aerobic capacity.

Results: The average number of PACER laps completed increased post-intervention by 2.8 laps, with 73% of children improving or maintaining number of laps completed. Assessment of school opportunities showed 33% of schools increased days/week of recess, 35% of schools increased minutes/day of recess. Over one-third (38%) of teachers reported increased classroom time PA. In addition, 51% of schools adopted a before-school program, 52% of schools increased how often they had access to PA equipment, and increases in multiple types of school wellness initiatives were seen including wellness plans, audio/visual PA information, and school-wide events. Linear regression showed a significant relationship between change in time in school PA and aerobic capacity (r = 0.39, 95% Empirical Interval: 0.31-0.47).

Conclusion: The intervention may be responsible for changes in school opportunities and increased in-school PA, which is directly associated with increases in aerobic capacity. These positive results demonstrate need for further research including large-scale cluster-randomized control trials to assess the full impact of the intervention in a more rigorous setting.

Table of Contents

Chapter 1 Introduction

Childhood Obesity……………………………………………1

Physical Activity………………………………………………2

School Based Physical Activity Interventions………..........3

CSPAP Modeled Physical Activity Interventions..………….5

HealthMPowers Intervention: A CSPAP Guided PA Intervention……………...5

Assessment of Physical Activity Interventions………..7

Purpose…………………………………………………………8

Chapter 2 Manuscript

Methods………………………………………………………..9

Study Design………………………………………………….9

Data Collection………………….…………………………...9

Analysis……………………………..…………………………11

Results……………………………………………...…………14

Discussion………………………………………………….…17

Chapter 3 Summary, Public Health Implications, and Future Directions

Summary……………………………………………………...20

Public Health Implications and Future Directions.……….20

Tables…………………………………………………………..22

References……………………………………………………..27

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