Accepted for Publication: August 24, 2011.
Published Online: November 7, 2011. doi:10.1001/archpediatrics.2011.200
Author Contributions: Drs Taber, Chriqui, and Powell had full access to the data and take responsibility for the integrity of the data and the accuracy of the analyses. Study concept and design: Taber and Chriqui. Acquisition of data: Powell and Chaloupka. Analysis and interpretation of data: Taber, Chriqui, Powell, and Chaloupka. Drafting of the manuscript: Taber and Chriqui. Critical revision of the manuscript for important intellectual content: Taber, Chriqui, Powell, and Chaloupka. Statistical analysis: Taber and Powell. Obtained funding: Powell and Chaloupka. Administrative, technical, and material support: Chriqui and Chaloupka.
Financial Disclosure: None reported.
Funding/Support: Support for this research was provided by the Robert Wood Johnson Foundation to the Bridging the Gap program located within the Health Policy Center at the University of Illinois at Chicago (Dr Chaloupka) and by grant R01HL096664 from the National Heart, Lung, and Blood Institute (Dr Powell).
Disclaimer: The views expressed herein are solely those of the authors and do not reflect the official views or positions of the Robert Wood Johnson Foundation; the National Heart, Lung, and Blood Institute; or the National Institutes of Health.
Additional Contributions: We gratefully acknowledge Linda Schneider, Camille Gourdet, Kristen Ide, Amy Bruursema, and Steven Horvath, for their research support provided in compiling and analyzing the state-level policies; and Tamkeen Khan, for her research assistance with cleaning the individual-level Early Childhood Longitudinal Study–Kindergarten Class data.