Development and validation of a quality of life measurement scale specific to hereditary hemorrhagic telangiectasia: the QoL-HHT

Table 2 Fit Indices of the CFA, ESEM, and Bifactor models for the validation sample

Model	χ²	df	CFI	TLI	AIC	BIC	ABIC	RMSEA	90%CI RMSEA	SRMR
CFA (29 items)	680.115	362	0.864	0.847	18229.776	18579.569	18256.298	0.062	0.055–0.069	0.079
ESEM (29 items)	446.051	247	0.915	0.860	18154.362	18898.530	18210.788	0.059	0.051–0.068	0.035
Bifactor (29 items)	731.044	340	0.833	0.800	18295.995	18721.234	18328.238	0.071	0.064–0.078	0.247
CFA (24 items)	405.033	237	0.910	0.895	15248.885	15547.238	15271.507	0.056	0.046–0.065	0.061
ESEM (24 items)	264.602	147	0.937	0.882	15245.482	15852.476	15291.507	0.059	0.048–0.071	0.032
Bifactor (24 items)	399.111	220	0.904	0.880	15271.481	15628.133	15298.524	0.060	0.050–0.069	0.169

CFA Confirmatory factor analysis; ESEM Exploratory structural equation modeling; χ² = Chi-square; df. degrees of freedom; CFI Comparative fit index; TLI Tucker-Lewis index; AIC Akaike information criterion; BIC Bayesian information criteria; ABIC sample size-adjusted BIC; RMSEA Root mean square error of approximation; SRMR Standardized root mean square residual

ISSN: 1750-1172