Young children’s outdoor play mostly occurs within the home-yard space, yet the influence of the home yard on preschoolers’ outdoor play and physical activity is poorly understood. We investigated the relationships between home-yard features and home-based outdoor play and physical activity in preschoolers (2–5 years...

Creating walkable environments produces a range of health and environmental co-benefits including increased physical activity, social interaction, sustainable living and environmental protection. This paper provides details of the development, trial, validation and potential application of a ‘Walkability Index Tool’.