Accepted for Publication: May 30, 2012.
Published Online: August 27, 2012. doi:10.1001/archinternmed.2012.3400
Author Contributions: Dr Willis 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. Dr Berry had final responsibility for the decision to submit for publication. All authors have read and agree to the manuscript as written. Study concept and design: Willis, DeFina, and Berry. Acquisition of data: Willis. Analysis and interpretation of data: Willis, Gao, Leonard, DeFina, and Berry. Drafting of the manuscript: Willis and Berry. Critical revision of the manuscript for important intellectual content: Willis, Gao, Leonard, DeFina, and Berry. Statistical analysis: Willis, Gao, and Leonard. Obtained funding: Berry. Administrative, technical, and material support: Willis and DeFina. Study supervision: Willis and Berry.
Financial Disclosure: Dr Berry has received financial compensation from Merck for being a member of its speakers' bureau.
Funding/Support: The Cooper Institute is a 501(c)(3) nonprofit research institute and provided internal funding for this study. Dr Berry receives funding from the Dedman Family Scholar in Clinical Care endowment at The University of Texas Southwestern Medical Center; grant K23 HL092229 from the National Heart, Lung, and Blood Institute; and grant 10BG1A4280091 from the American Heart Association.
Role of the Sponsors: The University of Texas Southwestern Medical Center; the National Heart, Lung, and Blood Institute; and the American Heart Association made no contribution to the design of the study. In addition, the sponsors made no contribution to the collection, management, analysis, or interpretation of the data, or preparation, review, or approval of the manuscript.
Additional Contributions: The authors thank Kenneth H. Cooper, MD, MPH, for establishing the Cooper Center Longitudinal Study in 1970 and the Cooper Clinic physicians and staff for data collection.