Some Interim Results from a Controlled Trial of Cost Sharing in Health Insurance

Joseph P. Newhouse, Willard G. Manning, Naihua Duan, Charles E. Phelps, Robert H. Brook, M. Susan Marquis, Kent H. Marquis, Arleen Leibowitz, Emmett B. Keeler, Larry L. Orr, et al.

ResearchPublished 1982

7,706 persons are participating in a controlled trial of alternative health insurance policies. Interim results indicate that persons fully covered for medical services spend around 50 percent more than similar persons insured with an income-related catastrophic plan. Full coverage leads to more people using services and increased hospital admissions. Once patients are admitted to the hospital, however, expenditure per person does not differ significantly among the experimental insurance plans. Hospital admissions for children also do not vary by insurance plan. The income-related cost sharing in the experimental plans affects expenditure by different income groups similarly, but adults' total expenditure varies more than children's. Sufficient data are not yet available on whether higher utilization by those with free care reflects overutilization, or whether lower utilization by those with income-related catastrophic coverage reflects underutilization. Both may well be true.

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Document Details

  • Copyright: RAND Corporation
  • Availability: Available
  • Year: 1982
  • Print Format: Paperback
  • Paperback Pages: 70
  • Paperback Price: $25.00
  • Paperback ISBN/EAN: 978-0-8330-0373-7
  • Document Number: R-2847-HHS

Citation

RAND Style Manual
Newhouse, Joseph P., Willard G. Manning, Naihua Duan, Charles E. Phelps, Robert H. Brook, M. Susan Marquis, Kent H. Marquis, Arleen Leibowitz, Emmett B. Keeler, Larry L. Orr, and Carl N. Morris, Some Interim Results from a Controlled Trial of Cost Sharing in Health Insurance, RAND Corporation, R-2847-HHS, 1982. As of September 14, 2024: https://www.rand.org/pubs/reports/R2847.html
Chicago Manual of Style
Newhouse, Joseph P., Willard G. Manning, Naihua Duan, Charles E. Phelps, Robert H. Brook, M. Susan Marquis, Kent H. Marquis, Arleen Leibowitz, Emmett B. Keeler, Larry L. Orr, and Carl N. Morris, Some Interim Results from a Controlled Trial of Cost Sharing in Health Insurance. Santa Monica, CA: RAND Corporation, 1982. https://www.rand.org/pubs/reports/R2847.html. Also available in print form.
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