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Managed care, market stages, and integrated delivery systems: is there a relationship?
Health Aff (Millwood)
March 1998
Wharton School, USA.
This DataWatch evaluates four-stage models of market evolution developed initially by the University HealthSystem Consortium (UHC). Such models suggest that increasing health maintenance organization (HMO) penetration is linked with increases in hospital consolidation and vertical integration between physicians and hospitals. These claims are tested using national data for 1992-1995.
View Article and Find Full Text PDFClinical staffing in staff- and group-model HMOs.
Health Aff (Millwood)
October 1995
Group Health Association of America (GHAA), Washington, DC, USA.
Analysts frequently have used health maintenance organization (HMO) staffing patterns as a yardstick for estimating national clinical workforce requirements. Based on a nationwide survey of fifty-four staff- and group-model HMOs, the largest sample yet used in an analysis of this type, this DataWatch examines physician-to-member ratios, the use of nonphysician providers, and HMOs' methods of estimating clinical staffing needs. Overall physician staffing ratios and primary care physician staffing ratios closely resemble those reported in previous studies, but they exhibit wide variability and are strongly correlated with HMO size.
View Article and Find Full Text PDFUse of the resource-based relative value scale for private insurers.
Health Aff (Millwood)
March 1995
Division of Health Policy and Administration, Yale University School of Medicine.
Medicare's resource-based relative value scale (RBRVS) was implemented 1 January 1992 for physician payment using a conversion factor of $31 for each relative value unit (RVU). We calculated a conversion factor of $42.24 for The Travelers Insurance Company's group health plan business using the RBRVS methodology and the calendar year 1990 Travelers Large Case Norms Extract of active employees.
View Article and Find Full Text PDFHow well do Americans understand their health coverage?
Health Aff (Millwood)
January 1994
Institute for Health Policy, Heller School, Brandeis University, Waltham, MA.
Data from two surveys are used in this DataWatch to explore Americans' understanding of their health insurance. First, data from a national survey of consumers are used to examine if people with private health insurance correctly report their coverage for six services. Second, information from an evaluation of a pilot project of subsidized insurance in New York is used to investigate how well newly insured persons understand their coverage.
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