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Profile of the PLAY spaces & environments for children’s physical activity, sedentary behaviour and sleep (PLAYCE) cohort study, Western AustraliaChildhood is a critical period for the development of movement behaviours such as physical activity, sleep and sedentary behaviour. The PLAYCE Cohort was established to investigate how movement behaviours change over early to middle childhood, across key behaviour settings and relationships with health and development. An overview of the PLAYCE cohort, summary of key findings to date, and future research opportunities are presented.
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A cross-sectional audit of the Australian community food environment highlights the prominent role of chain food outletsFood retail and food service outlets can be part of a chain, or independently operated. Chain food outlets are likely to have the most influence over community food environments but have not been routinely identified in studies which map and monitor access to food, highlighting an important knowledge gap. This study aimed to identify the food retail and food service outlets present within metropolitan Perth, including presence of chain and independent food outlets; and examine differences across local governments.
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A mobile health intervention to encourage physical activity in children: a randomised controlled trialDespite immense benefits of physical activity on health and developmental outcomes, few children achieve recommended daily levels of physical activity. Given more than half of families with children own a dog, we investigated the effect of a mobile health (mHealth) intervention to encourage dog-facilitated physical activity through increased family dog walking and children's active play with their dog.
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Parents' Perceptions of the Neighbourhood Built Environment Are Associated with the Social and Emotional Development of Young ChildrenThe influence of the neighbourhood built environment on young children's physical development has been well-documented; however, there is limited empirical evidence of an association with social and emotional development. Parental perceptions of the neighbourhood built environment may act as facilitators or barriers to young children's play and interactions in their local environment. The aim of this study was to examine the associations between parents' perceptions of the neighbourhood built environment and the social-emotional development of children aged two-to-five years.
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Play Active Program – physical activity policy and training for Early Childhood Education and CarePlay Active is a nationally scalable, low-cost program focused on boosting bursts of energetic play throughout the day.

With rising levels of physical and mental health issues, ensuring children establish good physical activity behaviours early in life is more important than ever.
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Where are preschoolers active in childcare centers? A hot-spot analysis using GIS, GPS and accelerometry dataThis study investigated where preschool children were more or less active in outdoor play areas in Early Childhood Education and Care (ECEC) centers using a novel method of combined device-measured physical activity, spatial data and on-site audit data.
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Is early childhood development impeded by the birth timing of the younger sibling?This study investigated whether the timing of birth of the younger siblings was associated with the risk of the older siblings’ developmental vulnerability in early childhood.
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Educators’ Barriers and Facilitators to Physical Activity Policy Implementation in the Childcare Setting: Qualitative Findings From the Play Active ProjectWe explored childcare educators’ perceived barriers and facilitators to policy implementation in order to inform the development and implementation of an early childhood education and care (ECEC) specific physical activity policy. This study was part of the Play Active (2019-2023) project which aimed to develop, implement and evaluate evidence-based physical activity policy to improve physical activity levels in children attending ECEC.
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Pooled Analysis of Physical Activity, Sedentary Behavior, and Sleep among Children from 33 CountriesThe prevalence estimates of physical activity, sedentary behavior, and sleep (collectively known as movement behaviors) in 3- and 4-year-old children worldwide remains uncertain.