Author Contributions: Dr Kritchevsky had full
access to all of the data in the study and takes responsibility for the integrity
of the data and the accuracy of the data analysis.
Study concept and design: Kritchevsky, Pahor.
Acquisition of data: Kritchevsky, Nicklas,
Simonsick, Newman, Harris, Satterfield, Rubin, Pahor.
Analysis and interpretation of data: Kritchevsky,
Nicklas, Visser, Simonsick, Lange, Penninx, Goodpaster, Satterfield, Colbert,
Drafting of the manuscript: Kritchevsky, Nicklas,
Critical revision of the manuscript for important
intellectual content: Kritchevsky, Nicklas, Visser, Simonsick, Newman,
Harris, Lange, Penninx, Goodpaster, Satterfield, Colbert, Rubin.
Statistical analysis: Kritchevsky, Lange.
Obtained funding: Kritchevsky, Simonsick, Newman,
Administrative, technical, or material support:
Visser, Simonsick, Newman, Harris, Goodpaster, Satterfield, Rubin.
Study supervision: Rubin, Pahor.
Financial Disclosures: None reported.
Funding/Support: This work was supported by
the following contracts and grants from the National Institute on Aging: NO1-AG-6-2101,
NO1-AG-6-2103, and NO1-AG-6-2106; R01 AG-18702; Claude D. Pepper Older Americans
Independence Center P30 AG-021332.
Role of the Sponsor: The National Institute
on Aging designed the Health ABC study and supervised its conduct. It also
participated in the collection and analysis of the data and approved the manuscript.