Accepted for Publication: July 13, 2011.
Published Online: October 3, 2011. doi:10.1001/archpediatrics.2011.180
Author Contributions: Dr Moreno 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: Moreno, Christakis, and Brockman. Analysis and interpretation of data: Moreno, Christakis, Egan, Brockman, and Becker. Drafting of the manuscript: Moreno, Christakis, Egan, Brockman, and Becker. Critical revision of the manuscript for important intellectual content: Christakis, Egan, Brockman, and Becker. Statistical analysis: Christakis and Becker. Obtained funding: Moreno, Christakis, and Brockman. Administrative, technical, and material support: Christakis and Brockman. Study supervision: Christakis and Brockman.
Financial Disclosure: None reported.
Funding/Support: This study was supported in part by grant R211AA017936 from the National Institute on Alcohol Abuse and Alcoholism and by grant K12HD055894 from the National Institute of Child Health and Human Development.
Role of the Sponsor: These funding agencies had no role in the design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
Additional Contributions: Hope Villiard, Megan Pumper, Lauren Kacvinsky, and Kaitlyn Bare contributed to the data collection for this project, and Marcia Scott, PhD, provided support and advice.