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| Comparing Access, Service Use and Satisfaction Between Consumers in HMOs and Non-HMOs | ||
Do HMOs Make a Difference?
Use of Health Services
Winter 1999/2000
Inquiry, vol.36, no.4 (Winter 1999/2000): 400-410
Ha T. Tu, Peter Kemper, Holly L. Wong
Abstract:
his study analyzes the effects of health maintenance organizations
(HMOs) on the use of health services by the privately insured, nonelderly population.
After controlling for population and location differences, HMOs increase physician visits,
nonphysician practitioner visits, and total ambulatory visits by modest but significant
margins, while shifting the mix of physician care from specialists to primary care
physicians. HMOs also increase use of two preventive services: mammography screening and
flu shots. Contrary to expectation, however, the study finds no significant differences
between HMO and non-HMO enrollees in the use of hospital, surgery, and emergency room
services.
For a full copy please visit Inquiry
