Author Contributions: Dr Gill 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: Gill, Allore.
Acquisition of data: Gill, Gahbauer.
Analysis and interpretation of data: Gill, Allore, Murphy.
Drafting of the manuscript: Gill, Allore, Gahbauer, Murphy.
Critical revision of the manuscript for important intellectual content: Gill, Allore, Murphy.
Statistical analysis: Allore, Gahbauer, Murphy.
Obtained funding: Gill.
Administrative, technical, or material support: Gill.
Study supervision: Gill.
Financial Disclosures: None reported.
Funding/Support: The work for this report was funded by grants from the National Institute on Aging (R37AG17560, R01AG022993). The study was conducted at the Yale Claude D. Pepper Older Americans Independence Center (P30AG21342). Dr Gill is the recipient of a Midcareer Investigator Award in Patient-Oriented Research (K24AG021507) from the National Institute on Aging.
Role of the Sponsor: The funding agencies had no role in the design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
Additional Contributions: Denise Shepard, BSN, MBA; Andrea Benjamin, BSN; Paula Clark, RN; Martha Oravetz, RN; Shirley Hannan, RN; Barbara Foster; Alice Van Wie, BSW; Patricia Fugal, BS; Amy Shelton, MPH; and Alice Kossack, Yale University School of Medicine, assisted with data collection. Wanda Carr and Geraldine Hawthorne, BS, Yale University School of Medicine, assisted with data entry and management. Peter Charpentier, MPH, Yale University School of Medicine, designed and developed the study database and participant tracking system. Linda Leo-Summers, MPH, Yale University School of Medicine, assisted with figures. Joanne McGloin, MDiv, MBA, Yale University School of Medicine, provided leadership and advice as the project director. None of these members of the research staff received compensation for the contributions beyond salary support. Haiqun Lin, MD, PhD, Yale University School of Medicine, advised on the statistical methods, for which she received no compensation.