Table 4.

Results of two-part and quantile regression models^*.

	Two-Part regression model						Quantile regression
	Probability of incurring out-of-pocket healthcare expenditures			Annual mean out-of-pocket healthcare expenditures			Annual median out-of-pocket healthcare expenditures
	Logistic model			Linear model (log y)
	ORc	CId 95%		βe	CI 95%		Coefficient	CI 95%
ADLa dependence	1.86	0.85	4.11	1.07	0.43	1.71	5789.6	3861.9	7717.4
IADLb dependence	1.27	0.72	2.25	0.97	0.49	1.45	1844.4	267.4	3421.3
ADL and IADL combined	1.73	0.78	3.81	1.32	0.74	1.90	8178.0	6252.8	10103.2

^*All models were adjusted for covariates showed in Table 1.

^aADL, basic activities of daily life.

^bIADL, instrumental activities of daily life.

^cOR, odds ratio.

^dCI, confidence interval.

^eβ, Beta Coefficient.