Author Contributions: Drs Sui and Blair had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Sui, LaMonte, Blair.
Acquisition of data: Sui, LaMonte, Blair.
Analysis and interpretation of data: Sui, LaMonte, Laditka, Hardin, Chase, Hooker, Blair.
Drafting of the manuscript: Sui, LaMonte, Laditka, Hardin, Chase, Hooker, Blair.
Critical revision of the manuscript for important intellectual content: Sui, LaMonte, Laditka, Hardin, Hooker, Blair.
Statistical analysis: Sui, LaMonte, Hardin.
Financial Disclosures: Dr LaMonte reported receiving book royalties (<$1000 per year) from Human Kinetics and honoraria for lectures from scientific, educational, and lay groups. Dr Blair reported receiving book royalties (<$5000 per year) from Human Kinetics; honoraria for service on the medical advisory boards of Jenny Craig, Magellan Health Services, and Matria Health Care; and honoraria for lectures from scientific, educational, and lay groups; research grants from Jenny Craig and BodyMedia Inc; and compensation as an executive lecturer for the University of North Texas. Dr Blair donates these fees to the University of South Carolina Educational Foundation or to other nonprofit groups. No other disclosures were reported.
Funding/Support: The Aerobics Center Longitudinal Study was supported by National Institutes of Health grants AG06945 and HL62508.
Role of the Sponsor: The National Institutes of Health played no role in the design and conduct of the study; the collection, management, analysis, and interpretation of data; or the preparation, review, or approval of the manuscript.
Additional Contributions: We thank the Cooper Clinic physicians and technicians for collecting the baseline data and the staff at the Cooper Institute for data entry and data management.