Abstract
Objectives
Assess the impact of an implementation intervention on student's physical activity,
health-related quality of life (HRQoL) and on-task behaviour.
Design
A cluster-randomised controlled trial.
Methods
Following baseline 61 eligible schools were randomised to a 12-month, implementation
intervention to increase teacher scheduling of physical activity, or a waitlist control.
Whole school-day and class-time physical activity of students from grades 2 and 3
(~ages 7 to 9) were measured via wrist-worn accelerometers and included: moderate-to-vigorous
physical activity, light physical activity, sedentary behaviour and activity counts
per minute. Children's health related quality of life (HRQoL) and out-of-school-hours
physical activity was measured via parent-proxy surveys. Class level on-task behaviour
was measured via teacher self-report surveys. Student and teacher obtained outcomes
were measured at baseline and 12-month follow-up. Parent reported outcomes were measured
at 12-month follow-up. Linear mixed models compared between group differences in outcomes.
Differential effects by sex were explored for student and parent reported outcomes.
Results
Data from 2485 students, 1220 parents and >500 teachers were analysed. There was no
statistically significant between group differences in any of the outcomes, including
accelerometer measured physical activity, out-of-school-hours physical activity, HRQoL,
and on-task behaviour. A statistically significant differential effect by sex was
found for sedentary behaviour across the whole school day (3.16 min, 95% CI: 0.19,
6.13; p = 0.028), with females illustrating a greater difference between groups than males.
Conclusions
Only negligible effects on student physical activity were found. Additional strategies
including improving the quality of teacher's delivery of physical activity may be
required to enhance effects.
Abbreviations:
BCW (Behaviour Change Wheel), MVPA (Moderate to vigorous physical activity), NSW (New South Wales), PE (Physical Education), TDF (Theoretical Domains Framework), CI (Confidence Interval), SD (Standard deviation), HRQoL (Health related quality of life), CATI (Computer-assisted telephone interview), HNE (Hunter New England)Keywords
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Article info
Publication history
Published online: December 15, 2021
Accepted:
December 13,
2021
Received in revised form:
November 8,
2021
Received:
May 4,
2021
Identification
Copyright
© 2021 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved.
