Accepted for Publication: September 6, 2013.
Published Online: January 13, 2014. doi:10.1001/jamapediatrics.2013.4521.
Study concept and design: Terry-McElrath, Johnston, Chaloupka.
Acquisition of data: Turner, Sandoval, Johnston, Chaloupka.
Analysis and interpretation of data: Terry-McElrath, Turner, Chaloupka.
Drafting of the manuscript: Terry-McElrath, Sandoval.
Critical revision of the manuscript for important intellectual content: Terry-McElrath, Turner, Johnston, Chaloupka.
Statistical analysis: Terry-McElrath.
Obtained funding: Johnston, Chaloupka.
Administrative, technical, or material support: Turner, Sandoval, Johnston.
Study supervision: Chaloupka.
Conflict of Interest Disclosures: None reported.
Funding/Support: The FFS and YES are part of a larger research initiative funded by the Robert Wood Johnson Foundation, entitled Bridging the Gap: Research Informing Policy and Practice for Healthy Youth Behavior.
Role of the Sponsor: The Robert Wood Johnson Foundation had no role in the design and conduct of the study; collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Disclaimer: The views expressed in this article are those of the authors and do not necessarily reflect the views of the funder.