Published Online: July 28, 2014. doi:10.1001/jamainternmed.2014.3450.
Study concept and design: Fowler, Johnson, Saba, Lopez, Barnato.
Acquisition, analysis, or interpretation of data: Fowler, Li, Moore, Lopez, Barnato.
Drafting of the manuscript: Fowler, Johnson, Lopez, Barnato.
Critical revision of the manuscript for important intellectual content: Fowler, Li, Moore, Saba, Lopez, Barnato.
Statistical analysis: Fowler, Li, Moore.
Obtained funding: Fowler.
Administrative, technical, or material support: Fowler.
Study supervision: Fowler, Saba, Lopez, Barnato.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by the Agency for Healthcare Research and Quality (AHRQ), grant K12HS019461, and National Institutes of Health (NIH), National Institute on Aging, grant P50 AG05133. The National Alzheimer Coordinating Center database is funded by the NIH, National Institute on Aging, grant UO1 AG016976.
Role of the Sponsor: The AHRQ and NIH 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.
Previous Presentations: This work was previously presented as a poster at the American Geriatrics Society Meeting; May 3, 2013; Grapevine, Texas; and at the Annual Meeting of the Society for Medical Decision Making; October 21, 2013; Baltimore, Maryland.
Additional Contributions: Sarah Monsell, MS, from the University of Washington and the National Alzheimer’s Coordinating Center, assisted with obtaining and interpreting the data and reviewed the manuscript. Greg Sachs, MD, from Indiana University School of Medicine, reviewed a final draft of this manuscript prior to submission. They were not compensated for their participation.