Amount and environmental predictors of outdoor playtime at home and school: A cross-sectional analysis of a national sample of preschool-aged children attending Head Start

► Outdoor play is an important aspect of young children's physical activity. ► We examined environmental predictors of outdoor play in Head Start preschool children. ► We analyzed data from FACES 2006, a representative sample of US children in Head Start. ► Aspects of the home environment were associated with outdoor play. ► Outdoor time at school was not related to outdoor time at home.