Validation of the Arabic version of the Muscle Dysmorphic Disorder Inventory (Ar-MDDI) among Lebanese male university students

Table 2 Measurement Invariance according to eating attitudes and normal/abnormal body mass index in the total sample

Model	χ²	df	CFI	RMSEA	SRMR	Model comparison	Δχ²	ΔCFI	ΔRMSEA	ΔSRMR	Δdf	p
Eating attitudes
Configural	294.43	124	0.890	0.059	0.096
Metric	317.44	134	0.881	0.059	0.095	Configural versus metric	23.01	0.009	< 0.001	0.001	10	0.010
Scalar	389.29	145	0.842	0.065	0.095	Metric versus scalar	71.85	0.039	0.006	< 0.001	11	< 0.001
Body mass index
Configural	266.18	124	0.905	0.054	0.066
Metric	285.50	134	0.899	0.054	0.069	Configural versus metric	19.32	0.006	< 0.001	0.003	10	0.036
Scalar	309.79	145	0.890	0.054	0.070	Metric versus scalar	24.29	0.009	< 0.001	0.001	11	0.011

CFI = Comparative fit index; RMSEA = Steiger-Lind root mean square error of approximation; SRMR = Standardised root mean square residual

ISSN: 2050-2974