Accepted for Publication: November 14, 2013.
Published Online: January 13, 2014. doi:10.1001/jamainternmed.2013.13922.
Study concept and design: Meyer, Guilkey, Duffey, Popkin, Gordon-Larsen.
Acquisition of data: Kiefe, Steffen, Gordon-Larsen.
Analysis and interpretation of data: Meyer, Ng, Popkin, Kiefe, Steffen, Shikany, Gordon-Larsen.
Drafting of the manuscript: Meyer, Gordon-Larsen.
Critical revision of the manuscript for important intellectual content: Guilkey, Ng, Duffey, Popkin, Kiefe, Steffen, Shikany.
Statistical analysis: Meyer, Guilkey, Ng, Popkin.
Obtained funding: Popkin.
Administrative, technical, or material support: Ng, Steffen.
Study supervision: Gordon-Larsen.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was funded by National Heart, Lung, and Blood Institute (NHLBI) grant R01 HL104580. The Coronary Artery Risk Development in Young Adults Study (CARDIA) is supported by contracts HHSN268201300025C, HHSN268201300026C, HHSN268201300027C, HHSN268201300028C, HHSN268201300029C, and HHSN268200900041C from the NHLBI, the Intramural Research Program of the National Institute on Aging (NIA), and an intra-agency agreement between the NIA and the NHLBI (AG0005). The authors are grateful to the Carolina Population Center at the University of North Carolina at Chapel Hill for general support (grant R24HD050924 from the Eunice Kennedy Shriver National Institute of Child Health and Human Development [NICHD]).
Role of the Sponsor: The NHLBI, NIA, and NICHD 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.
Additional Contributions: We thank CARDIA Chief Reviewer Janne Boone-Heinonen, PhD, Oregon Health and Science University, for thoughtful comments. She did not receive compensation for her review.