Study concept and design: Allen, Wilkins, Shay, Goff, Jacobs, Lloyd-Jones.
Acquisition of data: Lewis, Jacobs, Liu.
Analysis and interpretation of data: Allen, Siddique, Wilkins, Jacobs, Liu, Lloyd-Jones.
Drafting of the manuscript: Allen, Shay, Lloyd-Jones.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Allen, Siddique, Shay, Jacobs.
Obtained funding: Lewis, Liu, Lloyd-Jones.
Administrative, technical, and material support: Wilkins, Shay, Lewis, Lloyd-Jones.
Study supervision: Allen, Lloyd-Jones.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Goff reports receipt of grants/grants pending from Merck, payment for lectures/speakers bureaus from Merck, and membership on a data safety and monitoring board for Takeda.
Funding/Support: The CARDIA study is conducted and supported by the National Heart, Lung, and Blood Institute (NHLBI) in collaboration with the University of Alabama at Birmingham (grants HHSN268201300025C and HHSN268201300026C), Northwestern University (grant HHSN268201300027C), University of Minnesota (grant HHSN268201300028C), Kaiser Foundation Research Institute (grant HHSN268201300029C), and Johns Hopkins University School of Medicine (grant HHSN268200900041C). CARDIA is also partially supported by the Intramural Research Program of the National Institute on Aging (NIA), by an intra-agency agreement between NIA and NHLBI (grant AG0005), and by grant RO1 HL098445 from the National Heart, Lung, and Blood Institute.
Role of the Sponsors: This article has been reviewed by CARDIA for scientific content. The funding agencies had no other role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; or decision to submit the manuscript for publication.
Correction: This article was corrected online March 25, 2014, for an error in the name of the units for the coronary artery calcification score and for an omitted grant.