  
	
  
Do HMOs Make a Difference?
Consumer Assessments of Health Care
Winter 1999/2000 
Inquiry, vol.36, no.4 (Winter 1999/2000): 411-418 
 Timothy K. Lake 
    
Abstract:
 his study examines the effects of health maintenance organizations
    (HMOs) on consumer assessments of health care among the privately insure, nonelderly
    population. After controlling for population and location differences, the study finds
    that HMO enrollees are less likely than those in non-HMOs to be satisfied with their care,
    to rate their last medical visit highly, and to express trust in their physicians. One
    exception is a finding of little or no statistically significant difference between HMO
    and non-HMO enrollees in the likelihood of distrust that a physician may provide
    unnecessary services. 
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