Proximal and distal environmental correlates of adolescent obesity.

Background: The purpose of this study was to determine how proximal (home) and distal (neighborhood) environmental characteristics interact to influence obesity in early and middle adolescents.

Methods: This was a descriptive, cross-sectional study using the 2007 National Survey of Children's Health (NCSH). Participants were 39,542 children ages 11 to 17 years.