Accepted for Publication: January 15, 2013.
Published Online: May 27, 2013. doi:10.1001/jamainternmed.2013.6036.
Study concept and design: Wachterman, Marcantonio, Cohen, Phillips, and McCarthy.
Acquisition of data: Wachterman and McCarthy.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Wachterman.
Critical revision of the manuscript for important intellectual content: Marcantonio, Davis, Cohen, Waikar, Phillips, and McCarthy.
Statistical analysis: Wachterman, Davis, and McCarthy.
Obtained funding: Marcantonio, Phillips, and McCarthy.
Administrative, technical, and material support: Cohen, Waikar, Phillips, and McCarthy.
Study supervision: Marcantonio, Cohen, and McCarthy.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by grants from the National Institute of Nursing Research and the US Department of Health and Human Services Health Resources and Services Administration (Dr Wachterman) and by award UL1 RR 025758 from the National Institutes of Health (Harvard Catalyst and the Harvard Clinical and Translational Science Center).
Disclaimer: The sponsors 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.
Previous Presentations: This study was presented at the national meetings of the Society of General Internal Medicine; May 9, 2012; Orlando, Florida; and the American Society of Nephrology; November 2, 2012; San Diego, California.
Additional Contributions: Mary Ersek, PhD, RN, University of Pennsylvania School of Nursing, and Benjamin Sommers, MD, PhD, Harvard School of Public Health, provided helpful feedback on earlier versions of this manuscript. They received no financial compensation for their contributions.