Accepted for Publication: May 26, 2021.
Published Online: August 4, 2021. doi:10.1001/jamacardio.2021.2729
Corresponding Author: Kate A. Stewart, PhD, SM, Mathematica, 111 E Wacker Dr, Ste 3000, Chicago, IL 60601 (kstewart@mathematica-mpr.com).
Author Contributions: Dr Stewart and Ms Nelson 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: Stewart, Blue, Kranker, McCall, Markovich, Peterson.
Acquisition, analysis, or interpretation of data: Stewart, Blue, Kranker, Nelson.
Drafting of the manuscript: Stewart, Nelson, Peterson.
Critical revision of the manuscript for important intellectual content: Blue, Kranker, McCall, Markovich.
Statistical analysis: Stewart, Nelson, Peterson.
Obtained funding: McCall, Peterson.
Administrative, technical, or material support: Blue, Kranker, Markovich.
Study supervision: McCall, Peterson.
Conflict of Interest Disclosures: None reported.
Funding/Support: The study was funded by contract HHSM-500-2014-00034I from the US Center for Medicare & Medicaid Innovation.
Role of Funder/Sponsor: The US Centers for Medicare & Medicaid Services (CMS) reviewed and approved the manuscript for submission through a standard CMS communications clearance process and supported the decision to submit the manuscript for publication. CMS had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation of the manuscript.
Disclaimer: The contents of this publication are solely the responsibility of the authors and do not necessarily represent the official views of the US Department of Health and Human Services or any of its agencies.
Additional Contributions: We acknowledge the important contribution made by Lei Rao, MS, formerly of Mathematica, who skillfully processed the Medicare claims and enrollment data for this study. She was compensated for her work.
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