Table 2.

Fit indices of the four tested confirmatory factor analysis models of the Dusseldorf Orthorexia Scale (DOS)

	χ2(df)	p	CFI	RMSEA	90%CI	Factor correlation range	χ2(df) difference test as compared to Model 1
Model 1	298.85(35)	.001	.939	.111	.099, .123	NA	–
Model 2	259.15(34)	.001	.948	.104	.092, .116	.87	39.70(1)***
Model 3	179.64(32)	.001	.966	.087	.075, .099	.77–.95	119.21(3)***
Model 4	138.02(32)	.001	.975	.073	.061, .086	.72–.95	160.83(3)***

Model 1 = one-factor; Model 2 = two correlated factors; Model 3 = three correlated factors [27]; Model 4 = three correlated factors [28]

***p < .001