To see past monthly reports go to http://www.mathematica-mpr.com/publications/redirect_pubsdb.asp?strSite=http://www.kff.org/medicare/advantagetrackingreport_archive.cfm.

This report examined the feasibility of creating a Medicaid sample based on annual MAX files—a “Mini-MAXâ€â€”to make it easier for users to design and conduct MAX studies and make MAX data accessible to a broader community of Medicaid researchers, policymakers, program...

Notes that 11 percent had no source of supplemental coverage. Twenty-nine percent have coverage through an HMO but no other form of subsidized coverage.