This file is publicly available from the Centers for Medicare and Medicaid Services (ResDAC 2018).
(d) Rate of hospital admissions of all Medicare enrollees in the ZIP code, computed from CMS data (ResDAC 2018).
For Medicare data, this may involve discussions with ResDAC
personnel and also individuals at CMS who work with the data.
Race/ethnicity assignment was made using race code designations (ResDAC
"Statistics: Impact of Redaction of Medicare and Medicaid Claims." Research Data Assistance Center (ResDAC
) [accessed on February 28, 2016].
The authors acknowledge the invaluable contributions to this study made by Johns Hopkins Community Physicians, MedStar Physician Partners, Battelle Centers for Public Health Research, the Centers for Medicare & Medicaid Services, Accumen, ResDAC
, the University of Minnesota Survey Research Center, the study consultants (Jean Giddens, R.N., Ph.D.; Kate Lorig, R.N., Dr.P.H.; Richard Bohmer, M.D., M.P.H., M.B.A.; and Mary Naylor, R.N., Ph.D.), the nurse managers (Lora Rosenthal, R.N.
As defined in a report by the Research Data Assistance Center (ResDAC), a contractor with Centers for Medicare & Medicaid Services (CMS) to provide assistance to researchers using Medicare and Medicaid data, dual enrollees "(1) are Medicare enrollees; (2) might have their Medicare Part B premium paid by their states' Medicaid program (Specified Low-Income Beneficiaries (SLMBs); (3) might have both their Medicare Part B premium and their Medicare cost-sharing amounts paid by their states' Medicaid program (Qualified Medicare Beneficiaries (QMBs); (4) might receive full Medicaid benefits in addition to (2) or (3)"(Barosso 2006).
This finding prompted ResDAC to alert the research community about the inadequacy of the SBI variable to identify duals (Barosso 2006).
We thank Kenneth Darter for helping us obtain Georgia Medicaid data, and Gerrie Barosso at ResDAC
(CMS contract #: 500-051-0043) and Robyn Tomas at CMS for helping us obtain Kentucky Medicaid data.
We would like to acknowledge Research Data Assistance Center (ResDAC
) for their help in understanding data nuances.
The authors would also like to acknowledge, Research Data Assistance Center (ResDAC
), located at the University of Minnesota, for their help facilitating work with the Centers for Medicare and Medicaid Services and answering questions regarding the data.