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December 16, 2005 | Program Result
Between August 1999 and January 2002, Anthony T. Lo Sasso, Ph.D., and researchers at Northwestern University analyzed the extent to which co-payments for substance abuse treatment influenced people's utilization of treatment services.
May 31, 2000 | Program Result
The Group Health Cooperative of Puget Sound, Seattle, assessed the impact of different insurance coverage structures on the utilization and cost effectiveness of smoking-cessation services in a health maintenance organization.
January 1, 2001 | Program Result
During the 1980s, expenditures on pharmaceuticals nationwide increased by 152 percent. HMOs implemented a number of cost-control mechanisms to slow the rate of growth of pharmaceutical expenditures, and were successful in doing so compared to fee-for-service health plans.