Table 3.

Estimated and Predicted Effects of the Medical Cost Index on Financial Risk among Families with EBPI-EYEM by Income Level

			Predicted Proportion (%) of Families with EBPI-EYEM and Having OOP Expenditures Exceeding the Cutoff Giventhe Cost Index at
OOP Expenditures as % of Family Income	Quartile of Family Income Distribution	Adjusted Odds Ratio of Cost Index	5%	15%	N
≥10% of family income	1	1.00 (0.93, 1.08)	34.0	34.3	2,822
	2	1.13 (1.03, 1.23)*	4.5	11.7	6,487
	3	1.11 (1.00, 1.25)*	2.3	5.8	9,231
	4	0.99 (0.81, 1.21)	0.8	0.8	8,446
	Entire sample	1.07 (1.02, 1.12)*	4.9	7.5	30,603
≥20% of family income	1	1.03 (0.94, 1.12)	19.6	23.3	2,793
	2	1.06 (0.87, 1.30)	1.2	0.2	5,052
	3	0.91 (0.72, 1.14)	0.7	0.3	5,298
	4	1.54 (0.59, 4.01)	0.3	1.3	2,157
	Entire sample	1.04 (0.96, 1.12)	2.1	2.7	30,463

Note. Odds ratios for the income groups are from the models run on each subsample defined by quartile of family income. Full results of the multivariate analysis are available from the authors upon request.

^*p < .001;

^**p < .05.