title: Association of access to parks and recreational facilities with the physical activity of young children.
abstract: OBJECTIVE
  To determine associations of the neighborhood and home television environments with young children's physical activity.
  
  
  METHODS
  32 boys and 27 girls age 4 to 7 years wore accelerometers for 3 weekdays and 1 weekend day. The number of televisions in the home and television watching of the child were monitored using TV Allowance units for 3 weeks. A geographic information system was used to measure neighborhood environment variables.
  
  
  RESULTS
  Hierarchical regression analysis was used to predict physical activity, initially controlling for sex, age, socioeconomic status, adiposity, and child television watching in step 1. In step 2, the number of televisions did not significantly increase the amount of variability accounted for in the prediction of physical activity. In step 3, housing density and the interaction of housing density by sex accounted for an incremental 12% (p < 0.05) of the variability and in step 4 percentage park plus recreation area accounted for a further 10% (p < 0.05) of the variability. Greater housing density predicted increased physical activity of boys, but not girls.
  
  
  CONCLUSIONS
  Neighborhoods with increased proximity between homes and a greater proportion of park area are associated with greater physical activity in young children.
authors.affiliation: Department of Pediatrics, University at Buffalo, Buffalo, NY 14214, USA. roemmich@acsu.buffalo.edu
authors.forename: James N
authors.initials: JN
authors.lastname: Roemmich
authors.forename: Leonard H
authors.initials: LH
authors.lastname: Epstein
authors.forename: Samina
authors.initials: S
authors.lastname: Raja
authors.forename: Li
authors.initials: L
authors.lastname: Yin
authors.forename: Jodie
authors.initials: J
authors.lastname: Robinson
authors.forename: Dana
authors.initials: D
authors.lastname: Winiewicz
mesh_terms: D015992:Body Mass Index; D002648:Child; D002675:Child, Preschool; D004779:Environment Design / Q000592:standards*; D005260:Female; D015438:Health Behavior; D006801:Humans; D008297:Male; D018670:Monitoring, Ambulatory; D009042:Motivation; D009043:Motor Activity / Q000502:physiology*; D009518:New York; D050177:Overweight / Q000502:physiology; D010988:Play and Playthings; D011633:Public Facilities / Q000706:statistics & numerical data*; D011998:Recreation / Q000502:physiology; D012044:Regression Analysis; D012111:Residence Characteristics / Q000145:classification*; D012959:Socioeconomic Factors; D013690:Television / Q000706:statistics & numerical data / Q000600:supply & distribution*; D016138:Walking / Q000502:physiology / Q000523:psychology / Q000706:statistics & numerical data*