Accepted for Publication: March 26, 2011.
Author Contributions: Drs and Boone-Heinonen and Gordon-Larsen had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Boone-Heinonen, Gordon-Larsen, and Popkin. Acquisition of data: Gordon-Larsen, Kiefe, Lewis, and Popkin. Analysis and interpretation of data: Boone-Heinonen, Kiefe, and Shikany. Drafting of the manuscript: Boone-Heinonen, and Popkin. Critical revision of the manuscript for important intellectual content: Gordon-Larsen, Kiefe, Shikany, Lewis, and Popkin. Statistical analysis: Boone-Heinonen, and Popkin. Obtained funding: Gordon-Larsen, Lewis, and Popkin. Administrative, technical, and material support: Gordon-Larsen, Lewis, and Popkin. Study supervision: Gordon-Larsen.
Financial Disclosure: None reported.
Funding/Support: Funding for this study was provided by National Institutes of Health (NIH) grants R0-HL104580, R01-CA109831, R01-CA121152, and K01-HD044263 (Drs Gordon-Larsen and Popkin). Additional funding was provided by institutional pilot grant funding to Drs Gordon-Larsen and Popkin from the University of North Carolina at Chapel Hill (UNC-CH) Center for Environmental Health and Susceptibility NIH grant P30-ES10126 and the UNC-CH Clinic Nutrition Research Center NIH grant DK56350. This study was also supported by NIH contracts from the National Heart, Lung, and Blood Institute with the University of Alabama at Birmingham Coronary Artery Risk Development in Young Adults Coordinating Center (N01-HC-95095), University of Alabama at Birmingham Field Center (N01-HC-48047) (Dr Lewis), University of Minnesota Field Center (N01-HC-48048), Northwestern University Field Center (N01-HC-48049), and Kaiser Foundation Research Institute Field Center (N01-HC-48050). Analysis was supported by the Interdisciplinary Obesity Training postdoctoral fellowship (grant T32MH075854-04) (Dr Boone-Heinonen).
Additional Contributions: Jared P. Reis, PhD, and Ellen Funkhouser, DrPH, provided valuable comments on the manuscript of this article. Brian Frizzelle, MA, Marc Peterson, MA, Chris Mankoff, MA, James D. Stewart, MA, Phil Bardsley, PhD, and Diane Kaczor MA, created the environmental variables, and Frances Dancy, BS, provided helpful administrative assistance.