Accepted for Publication: December 13, 2011.
Published Online: February 6, 2012. doi:10.1001/archpediatrics.2011.1800
Author Contributions: Dr Speltz 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: Starr, Kapp-Simon, Cradock, Cunningham, and Speltz. Acquisition of data: Starr, Collett, Gaither, Kapp-Simon, Cradock, Cunningham, and Speltz. Analysis and interpretation of data: Starr, Collett, Kapp-Simon, Cunningham, and Speltz. Drafting of the manuscript: Starr, Cunningham, and Speltz. Critical revision of the manuscript for important intellectual content: Starr, Collett, Gaither, Kapp-Simon, Cradock, Cunningham, and Speltz. Statistical analysis: Starr. Obtained funding: Kapp-Simon, Cunningham, and Speltz. Administrative, technical, and material support: Collett, Kapp-Simon, Cradock, and Speltz. Study supervision: Starr, Kapp-Simon, and Speltz.
Financial Disclosure: None reported.
Funding/Support: This work was supported by grant R01 DE 13813 from the National Institute of Dental and Craniofacial Research (awarded to Dr Speltz).
Additional Contributions: We thank Lauren Buono, PhD, for her role as a coinvestigator in this project; Sharman Conner, MA, for project coordination; our data analysts, including Kristen Daniels, MLIS, and Kristen Gray, MS; and Diana Prise, BA, for assisting the interviewers and doing data entry and validation. We also thank the families who have graciously participated in this research.