Table 3

Model fit indices for confirmatory factor analysis on EPAT-64

			χ²			RMSEA	SRMR	TLI	CFI	AIC	BIC
			χ²	df	P value	RMSEA	SRMR	TLI	CFI	AIC	BIC
		Recommendation			>0.05	≤0.06	<0.08	≥0.90	≥0.90	Model with smallest value
Outpatient version	1	Unidimensional	14 957	1952	<0.001	0.078	0.087	0.659	0.670	166 616	167 575
	2	Correlated first order	7098	1832	<0.001	0.051	0.072	0.853	0.866	158 996	160 555
	3	Hierarchical	8556	1936	<0.001	0.056	0.084	0.825	0.832	160 247	161 286
	4	Bifactor without dimension correlations	No results. Model estimation did not converge.
	5	Bifactor with dimension correlations	4871	1768	<0.001	0.040	0.055	0.910	0.921	156 898	158 776
Inpatient version	1	Unidimensional	15 201	1952	<0.001	0.085	0.101	0.631	0.643	151 891	152 819
	2	Correlated first order	7276	1832	<0.001	0.056	0.083	0.838	0.853	144 206	145 714
	3	Hierarchical	8839	1936	<0.001	0.062	0.102	0.806	0.814	145 561	146 567
	4	Bifactor without dimension correlations	No results. Model estimation did not converge.
	5	Bifactor with dimension correlations	4721	1768	<0.001	0.042	0.051	0.909	0.920	141 779	143 597

AIC, Akaike information criterion; BIC, Bayesian information criterion; CFI, Comparative Fit Index; EPAT-64, 64-item version of the Experienced Patient-Centeredness Questionnaire; RMSEA, root mean square error of approximation; SRMR, standardised root mean square residual; TLI, Tucker-Lewis Index.