Accepted for Publication: July 16, 2014.
Published Online: October 13, 2014. doi:10.1001/jamapediatrics.2014.1794.
Study concept and design: Brage, Corder, Dunn, Jones, Owens, Goodyer.
Acquisition, analysis, or interpretation of data: Toseeb, Brage, Corder, Dunn, Owens, St Clair, van Sluijs, Goodyer.
Drafting of the manuscript: Toseeb, Owens, Goodyer.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Toseeb, Brage, Owens, St Clair, Goodyer.
Obtained funding: Jones, Goodyer.
Administrative, technical, or material support: Brage, Corder, Dunn, van Sluijs, Goodyer.
Study supervision: Owens, St Clair, van Sluijs, Goodyer.
Conflict of Interest Disclosures: None reported.
Funding/Support: Data collection for the ROOTS study was supported by grant 074296/Z/04/Z from the Wellcome Trust and by the Medical Research Council Epidemiology Unit and Medical Research Council Human Nutrition Research.
Role of the Funder/Sponsor: The funding sources had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and the decision to submit the manuscript for publication.
Additional Contributions: The study was completed within the National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care for Cambridgeshire and Peterborough. We thank the teams of research assistants, parents, schools, and young people who have worked with us on the ROOTS study.