Confirmatory factor analysis and gender invariance of Persian version of the modified Yale food addiction scale (mPYFAS) 2.0: insight from a large scale Iranian sample

Table 11 Fit indices of different models to check the invariance of the 11-items scale in dichotomous version

Model	\({\mathrm{\rm X}}^{2}\)	df	P	CFI	TLI	SRMR	RMSEA[CI90%]	\(\Delta {\mathrm{\rm X}}^{2}\)	dfΔ	P	CFIΔ	TLIΔ	RMSEAΔ	RMRΔ
Configural model	949.120	89	0.0001	0.978	0.978	0.048	[0.042–0.047] 0/045	–	–	–	–	–	–	–
Metric 1	707.830	99	0.0001	0.987	0.986	0.051	[0.033–0.038] 0.036	21.845	10	0.0159	− 0.005	− 0.008	0.009	− 0.003
Metric 2	722.435	98	0.0001	0.987	0.985	0.050	[0.034–0.039] 0.036	13.522	9	0.1404	0.000	0.001	0.000	0.001
Scalar 1	854.652	107	0.0001	0.984	0.984	0.051	[0.036–0.041] 0.038	132.759	9	0.0001	0.003	0.001	− 0.002	− 0.001
Scalar 2	778.868	106	0.0001	0.986	0.985	0.050	[0.034–0.039] 0.036	57.728	8	0.0001	− 0.002	− 0.001	0.002	0.001
Scalar 3	760.836	105	0.0001	0.986	0.986	0.050	[0.034–0.038] 0.036	39.934	7	0.0001	0.000	− 0.001	0.000	0.000
Strict 1	923.859	94	0.0001	0.983	0.980	0.049	[0.040–0.045] 0.043	–	–	–	0.003	0.006	− 0.007	0.001
Strict 2	760.836	105	0.0001	0.986	0.986	0.050	[0.034–0.038] 0.036	18.627	11	0.0001	− 0.003	− 0.006	0.007	− 0.001
Variance	643.854	106	0.0001	0.980	0.980	0.035	[0.045–0.051] 0.048	10.170	1	0.0014	0.006	0.000	− 0.012	0.015
Mean	756.140	106	0.0001	0.986	0.986	0.051	[0.033–0.038] 0.036	12.551	1	0.0004	− 0.006	0.000	0.012	− 0.016

ISSN: 2050-2974