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Accession Number PB2013-111680
Title MAX and MCBS Survey Linkage, 2007-2008.
Publication Date May 2012
Media Count 37p
Personal Author R. Malsberger
Abstract The Centers for Medicare & Medicaid Services (CMS) contracted with Mathematica Policy Research to link 2007 and 2008 survey data from the Medicare Current Beneficiary Survey (MCBS) with existing research-oriented CMS Medicaid data files known as the Medicaid Analytic eXtract (MAX). In 2007, dually eligible beneficiaries (duals)low-income seniors and persons with disabilities who qualify for both Medicaid and Medicareaccounted for 15 percent of Medicaid enrollees and 39 percent of total Medicaid spending (Kaiser Family Foundation 2011). Duals are among the sickest and poorest enrollees in either program (Kaiser Family Foundation 2011). A combined MCBS and MAX data set will provide a rich database of service use, expenditures, and health outcomes for duals that would not be available with either data set alone. This report summarizes how we merged the two data sets and assesses the quality of the linked MCBS-MAX records. A. Background on the Medicare Current Beneficiary Survey (MCBS) The MCBS, begun in 1991, is an annual, continuous, longitudinal, multipurpose survey of a representative national sample of the Medicare population. The primary goals of the MCBS are to determine expenditures and sources of payment for all services used by Medicare beneficiaries; ascertain all types of health insurance coverage, and link coverage to payment sources; and trace processes over time, such as changes in health status or spending down to Medicaid eligibility (CMS 2012). Between 12,000 and 16,000 Medicare beneficiaries are interviewed each year, and each beneficiary in the sample is interviewed a total of 12 times over four years. One-third of the sample is retired each year, with a new sample introduced in the fall survey round. MCBS data are linked to Medicare claims and administrative data, which results in a more complete utilization data set for the MCBS respondents than would be available based on interviews alone.
Keywords Claims review
Elderly persons
Health care
Health insurance
Medicare Current Beneficiary Survey(MCBS)

Source Agency Health Care Financing Administration Policy Planning Researc
NTIS Subject Category 44K - Health Services
44M - Health Resources
44C - Community & Population Characteristics
92C - Social Concerns
70 - Administration & Management
Corporate Author Mathematica Policy Research, Inc., Washington, DC.
Document Type Technical report
Title Note Final rept.
NTIS Issue Number 1326
Contract Number HHSM-500-2005-00025I

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