title: Understanding the mechanisms of change in children's physical activity programs.
abstract: There is a lack of understanding of why childhood physical activity interventions succeed or fail. A model is proposed that relates program process to mediating variables and outcomes. Using the model to design and evaluate interventions could result in a greater understanding of the mechanisms of children's physical activity behavior change and how to tailor programs to them.
authors.affiliation: Children's Nutrition Research Center, USDA ARS, Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030-2600, USA. tbaranow@bcm.tmc.edu
authors.forename: Tom
authors.initials: T
authors.lastname: Baranowski
authors.forename: Russell
authors.initials: R
authors.lastname: Jago
mesh_terms: D002648:Child; D006801:Humans; D008962:Models, Theoretical; D010806:Physical Education and Training / Q000379:methods*; D017064:Process Assessment, Health Care; D016730:Program Development / Q000379:methods*