Table 13. Regression of Race, Income, and Actual Coinsurance Rate on Errors in Estimating Own Share of Initial Medical Bill, Experimental Families.

Source	Independent Variables
	Race	Ln Income	Actual	Coinsurance Rate
			0	25	50	95
Hospital	6.0*	0.7	15.2*	2.0	−0.3	−16.8*
Physician	6.6*	1.5	11.1*	5.6*	2.8	−13.5
Prescription	9.2*	1.6	11.2*	5.5*	1.3	−20.3*
Psychiatric	−0.3	2.3*	11.7*	3.9	−4.5	−22.2*
Dental	4.2*	1.7*	13.1*	5.9*	0.4	−13.2*

^*P<.05