Table 4.

Odds Ratios of Preventable Admissions Relative to Marker Admission, by States, Adults, 1997

State	Medicaid HMO versus Medicaid FFS	Medicaid HMO versus Private HMO
New York	0.83 (p=0.102)	1.51 (p=.002)
Pennsylvania	1.21 (p=0.007)	1.81 (p=.000)
Wisconsin	0.91 (p=0.483)	1.91 (p=.000)
Tennessee	—	1.57 (p=.000)

Note: The data in this table are derived from logistic regression models by using Medicaid FFS and commercial HMOs alternatively as defaults for the insurance status variable in each state.