Psychometric evaluation of the Japanese version of the fear of pain questionnaire-III and its association with dental anxiety: a cross-sectional study

Table 6 CFA model’s goodness of fit for the Japanese version of FPQ-III

Model	X²	df	CFI	RMSEA	SRMR	AIC	BIC
FPQ-J	2096	402	0.80	0.103	0.096	30,429	30,861
FPQ-J with five errors’ covariance	1640	397	0.853	0.088	0.089	29,983	30,434
A 23-item version of FPQ-J	853	164	0.870	0.103	0.083	20,318	20,621
A 9-item version of FPQ-J	63.7	24	0.977	0.064	0.032	9502	9640

Abbreviations: CFI, the comparative fit index; RMSEA, the root mean square error of approximation; SRMR, standardized root mean square residual; AIC, Akaike’s information criterion; BIC, Bayesian information criterion

ISSN: 1472-6831