. Author manuscript; available in PMC: 2014 May 15.

Published in final edited form as: Forum Health Econ Policy. 2013 May 15;16(1):137–161. doi: 10.1515/fhep-2012-0037

Table 1.

Summary Statistics: Medicare Enrollment Demographics

	Overall	Managed Care	Fee-for-Service
Black	0.07 (0.08)	0.08 (0.09)	0.07 (0.06)
Hispanic	0.02 (0.04)	0.02 (0.04)	0.02 (0.04)
Other Race	0.02 (0.02)	0.02 (0.02)	0.03 (0.02)
Female	0.57 (0.03)	0.57 (0.03)	0.57 (0.03)
Medicaid	0.09 (0.07)	0.06 (0.04)	0.12 (0.08)
Age	74.8 (1.8)	74.6 (1.3)	75.0 (2.2)
End Stage Renal Disease	0.004 (0.003)	0.003 (0.001)	0.006 (0.003)

MMCCountyYear Observations	822	411	411

Medicare Beneficiary Annual Summary File data at the county-insurance status-year level of aggregation for Medicare beneficiaries aged 65 and up in AZ, FL, NJ, NY 1999–2005. Sample limited to 84 counties with at least 1,500 MMC and 5,000 FFS beneficiaries. Standard deviations in parentheses.