Introduction
Adequate physical activity in young children is associated with reduced risk of overweight and obesity, as well as improved motor skills, fitness and skeletal health [ECEC services include centre-based services, such as preschools and long day care, and home-based services, known as family child care homes, childminding or family day care (as referred to hereafter). In comparison to centre-based services which have multiple staff members employed in various roles (e.g. nominated supervisor, educator, director and service cook), family day care is a type of regulated ECEC service in which an individual educator provides care to small numbers of children in the educator’s own home [Systematic review evidence of observational studies indicates that outdoor play in ECEC services is associated with increased physical activity levels and reduced sedentary behaviour in children [Several implementation theories suggest that the dissemination of public health guidelines to end users is an important prerequisite to achieving adoption and implementation [