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

Niroumand Sarvandani, Mohammad; Asadi, Masoud; Izanloo, Balal; Soleimani, Maryam; Mahdavi, Faezeh; Gearhardt, Ashley N.; Chen, Qing-Wei; Ghadiri Varzaneh, Nasrin; Taghadosiniya, Roya; Ghazvini, Hamed; Khoramrooz, Maryam; Rafaiee, Raheleh

doi:10.1186/s40337-023-00962-1

Journal of Eating Disorders

Table 9 Fit indices of different models to check invariance in polytomous items

From: 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

Model	\({\mathrm{\rm X}}^{2}\)	df	P	CFI	TLI	SRMR	RMSEA [CI 90%]	\(\Delta {\mathrm{\rm X}}^{2}\)	dfΔ	P	CFIΔ	TLIΔ	RMSEAΔ	RMRΔ
Configural model	3725.869	100	0.0001	0.956	0.951	0.038	[0.085–0.089] 0.087	–	–	–	–	–	–	–
Metric 1	2844.028	110	0.0001	0.967	0.967	0.039	[0.070–0.074] 0.072	44.260	10	0.0001	− 0.011	− 0.016	0.015	− 0.001
Metric 2	2950.716	109	0.0001	0.965	0.965	0.039	[0.071–0.076] 0.074	26.395	9	0.0018	0.002	0.002	− 0.002	0.000
Metric 3	3147.753	108	0.0001	0.963	0.962	0.038	[0.074–0.079] 0.077	14.683	8	0.0656	0.002	0.003	− 0.003	0.001
Scalar 1	1555.588	172	0.0001	0.969	0.980	0.037	[0.055–0.061] 0.058	160.219	64	0.0001	− 0.006	− 0.018	0.019	0.001
Scalar 2	1502.196	171	0.0001	0.970	0.981	0.036	[0.054–0.060] 0.057	109.408	63	0.0003	− 0.001	− 0.001	0.001	0.001
Scalar 3	1456.417	170	0.0001	0.971	0.981	0.037	[0.053–0.059] 0.056	63.370	62	0.4278	− 0.001	0.000	0.001	− 0.001
Strict 1	1444.787	159	0.0001	0.971	0.980	0.035	[0.055–0.061] 0.058	–	–	–	0.000	0.001	− 0.002	0.002
Strict 2	1456.417	170	0.0001	0.971	0.981	0.037	[0.053–0.059] 0.056	110.341	11	0.0001	0.000	− 0.001	0.002	− 0.002
Strict 3	1390.430	169	0.0001	0.973	0.982	0.036	[0.052–0.058] 0.055	71.817	10	0.0001	− 0.002	− 0.001	0.001	0.001
Strict 4	1353.148	168	0.0001	0.974	0.983	0.036	[0.052–0.057] 0.054	47.990	9	0.0001	− 0.001	− 0.001	0.001	0.000
Strict 5	1341.050	167	0.0001	0.974	0.983	0.036	[0.051–0.057] 0,054	35.850	8	0.0001	0.000	0.000	0.000	0.000
Strict 6	1342.876	166	0.0001	0.974	0.983	0.036	[0.052–0.057] 0,054	27.477	7	0.0003	0.000	0.000	0.000	0.000
Strict 7	1363.498	165	0.0001	0.973	0.982	0.035	[0.052–0.058] 0.055	21.556	6	0.0015	0.001	0.001	− 0.001	0.001
Strict 8	1350.710	164	0.0001	0.973	0.982	0.035	[0.052–0.058] 0.055	11.180	5	0.0479	0.000	0.000	0.000	0.000
Strict 9	1348.300	163	0.0001	0.974	0.982	0.035	[0.052–0.058] 0.055	5.438	4	0.2452	− 0.001	0.000	0.000	0.000
Variance	1066.472	164	0.0001	0.980	0.986	0.035	[0.045–0.051] 0.048	4.150	1	0.0416	− 0.006	− 0.004	0.007	0.000
Mean	1557.366	164	0.0001	0.969	0.979	0.037	[0.057–0.062] 0.059	59.600	1	0.0001	0.011	0.007	− 0.011	− 0.002

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ISSN: 2050-2974

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