Accepted for Publication: November 21, 2012.
Published Online: April 8, 2013. doi:10.1001/jamapediatrics.2013.399
Author Contributions:Study concept and design: Taber, Chriqui, and Chaloupka. Acquisition of data: Chriqui, Powell, and Chaloupka. Analysis and interpretation of data: Taber, Chriqui, Powell, and Chaloupka. Drafting of the manuscript: Taber. Critical revision of the manuscript for important intellectual content: Chriqui, Powell, and Chaloupka. Statistical analysis: Taber and Chaloupka. Obtained funding: Chriqui, Powell, and Chaloupka. Study supervision: Chriqui and Powell.
Conflict of Interest Disclosures: 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 (principal investigator, Dr Chaloupka) and grant R01HL096664 from the National Heart, Lung, and Blood Institute (principal investigator, 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, MS, Camille Gourdet, JD, MA, Kristen Ide, MPH, RD, LDN, Amy Bruursema, MS, and Steven Horvath, BA, for research support provided in compiling and analyzing the state-level laws and Tamkeen Khan, MA, for research assistance with cleaning the individual-level ECLS-K data. We also thank Whitney Robinson, PhD, for thoughtful comments on the manuscript.