Corresponding Author: Lori Uscher-Pines, PhD, MSc, RAND Corporation, 1200 S Hayes St, Arlington, VA 22202 (luscherp@rand.org).
Accepted for Publication: January 11, 2021.
Published Online: February 2, 2021. doi:10.1001/jama.2021.0282
Author Contributions: Dr Uscher-Pines 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.
Concept and design: Uscher-Pines, Sousa, Jones, Whaley, Perrone, Ober.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Uscher-Pines, Sousa, Whaley, Ober.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Whaley, McCullough, Ober.
Obtained funding: Uscher-Pines, Ober.
Administrative, technical, or material support: Sousa, Jones, Perrone.
Supervision: Uscher-Pines, McCullough.
Conflict of Interest Disclosures: Dr Whaley reported receiving grants from the National Institute on Aging. Mr Perrone reported receiving personal fees from and being employed by the California Health Care Foundation. No other disclosures were reported.
Funding/Support: This work was supported by grant G-31038 from the California Health Care Foundation.
Role of the Funder/Sponsor: The California Health Care Foundation was involved in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, and approval of the manuscript; but was not involved in the decision to submit the manuscript for publication.