Author Contributions: Mr Nair 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: Czaja, Sharit, Nair.
Acquisition of data: Czaja.
Analysis and interpretation of data: Czaja, Sharit, Nair.
Drafting of the manuscript: Czaja, Nair.
Critical revision of the manuscript for important intellectual content: Czaja, Sharit.
Statistical analysis: Czaja, Nair.
Obtained funding: Czaja, Sharit.
Administrative, technical, or material support: Nair.
Study supervision: Czaja, Sharit.
Financial Disclosures: None reported.
Funding Support: This research was supported by grant 2 P01 AG017211 from the National Institutes of Health/National Institute on Aging.
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 the data; or the preparation, review, or approval of the manuscript.
Additional Contributions: Tamar El-Attar, MS, University of Miami Department of Industrial Engineering, and Mario Hernandez, MS, Center on Aging, University of Miami, both provided assistance in data collection. Chin Chin Lee, MS, MSPH, Center on Aging, University of Miami, provided administrative assistance and study supervision. Shih Hua Fu, MS, Center on Aging, University of Miami, provided technical assistance. No one received compensation for their roles.