Published Online: June 26, 2015. doi:10.1001/jama.2015.7950.
Conflict of Interest Disclosures: The author has completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Funding/Support: This project was supported in part by a doctoral dissertation fellowship from the University of Minnesota Graduate School and grant 70469 awarded to the State Health Access Data Assistance Center from the Robert Wood Johnson Foundation.
Role of the Funder/Sponsor: The University of Minnesota Graduate School and the Robert Wood Johnson Foundation had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: I am thankful to Lynn Blewett, PhD, Bryan Dowd, PhD, Kathleen Call, PhD, and Ezra Golberstein, PhD (all with the University of Minnesota), and Thomas Buchmueller, PhD (University of Michigan), for their helpful comments without compensation on previous versions of the manuscript.