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|Title: ||Preschoolers in the playground: a pilot cluster randomised controlled trial of a physical activity intervention for children aged 18 months to 4 years|
|Authors: ||Barber, Sally E.|
Bingham, Daniel D.
Routen, Ash C.
Ainsworth, Hannah R.
Moore, Helen J.
Summerbell, Carolyn D.
Pickett, Kate E.
|Issue Date: ||2015|
|Publisher: ||NIHR Journals Library (© Queen’s Printer and Controller of HMSO 2015)|
|Citation: ||BARBER, S.E. ... et al, 2015. Preschoolers in the playground: a pilot cluster randomised controlled trial of a physical activity intervention for children aged 18 months to 4 years. Public Health Research, 3 (5), pp.1-210|
|Abstract: ||Background: The preschool years are considered critical for establishing healthy lifestyle behaviours such
as physical activity. Levels of physical activity track through childhood into adulthood and establishing
habitual physical activity early in life is therefore vital. Time spent outdoors is associated with greater
physical activity and playground interventions have been shown to increase physical activity in school-aged
children. There are few preschool, playground-based interventions and these have given inconclusive
results. A report published by the UK’s Chief Medical Officer (CMO) highlighted the need for new
interventions to promote movement in the early years (0–5 years).
Objectives: This study aimed to undertake a pilot cluster randomised controlled trial (RCT) of an outdoor
playground-based physical activity intervention for parents and their children aged from 18 months to
4 years (Preschoolers in the Playground or PiP) and to assess the feasibility of conducting a full-scale
Design: The study was a two-armed pilot cluster RCT with economic and qualitative evaluations.
Participants were randomised on a 1 : 1 basis to the PiP intervention (n = 83) or usual practice
(control; n = 81).
Setting: Bradford, West Yorkshire, UK.
Participants: Children aged from 18 months to 4 years.
Intervention: The PiP intervention is grounded in behavioural theory (social cognitive theory) and is in
accordance with CMO guidance for physical activity in the early years. It is informed by existing literature
and data collected from focus groups with parents. The intervention was delivered in primary school
playgrounds. Six 30-minute PiP sessions per week were available for 30 weeks; families were encouraged
to come to three a week. The 10-week initiation phase was facilitated by a member of school staff and
the maintenance phase was unsupervised. Main outcome measures: Recruitment and retention of schools and families to the trial were the main
outcome measures. The acceptability of trial procedures and the intervention, the feasibility of collecting
health outcome data and the fidelity of the implementation of the intervention were also evaluated.
A preliminary assessment of cost-effectiveness and a sample size calculation for a full trial were conducted.
Results: In total, 37% of schools and 48% of parents approached agreed to take part. Levels of retention
were good at 10 and 52 weeks’ follow-up (82.3% and 83.5% respectively). Both the trial procedures and
the intervention were acceptable. However, attendance was low during the autumn and winter/spring
initiation phases but somewhat better in the summer initiation phase. Attendance was poor throughout
all maintenance phases. The accelerometry protocol for measuring physical activity requires modification.
The fidelity of intervention implementation was good (81% adherence). The intervention was borderline
cost-effective. A sample size of 600 children from 38 schools is required for a full trial.
Conclusion: A full RCT of the PiP intervention is feasible. The PiP intervention requires some modification,
for example running the intervention during the summer term only, but was found to be acceptable to
schools and families.|
|Description: ||© Queen’s Printer and Controller of HMSO 2015. This work was produced by Barber et al. under the terms of a commissioning
contract issued by the Secretary of State for Health. This issue may be freely reproduced for the purposes of private research and
study and extracts (or indeed, the full report) may be included in professional journals provided that suitable acknowledgement
is made and the reproduction is not associated with any form of advertising. Applications for commercial reproduction should be
addressed to: NIHR Journals Library, National Institute for Health Research, Evaluation, Trials.|
|Sponsor: ||This project was funded by the NIHR Public Health Research programme.|
|Publisher Link: ||http://dx.doi.org/10.3310/phr03050|
|Appears in Collections:||Published Articles (Sport, Exercise and Health Sciences)|
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