The Bergen Facebook Addiction Scale: its psychometric properties and invariance among women with eating disorders

BMC Women's Health

Table 4 Goodness-of-fit indices for models using the six-item Internet Addiction Test (S-IAT) to predict Facebook addiction on the Bergen Facebook Addiction Scale (BFAS), correlations between the S-IAT and the BFAS, and reliability of the BFAS in the samples

Samples	χ²	p	df	CFI	TLI	RMSEA	RMSEA 95% CI	SRMR	Variance %	Correlation with S-IAT	Cronbach’sα	McDonald’sω	McDonald’s ω 95% CI
N = 123	103.70	.001	49	.975	.966	.096	.070 to .121	.0317	79	.88**	.96	.96	.95 to .97
n = 59	77.48	.008	50	.965	.953	.097	.051 to .138	.0600	66	.82**	.95	.94	.91 to .96
n = 64	100.80	.001	51	.962	.951	.125	.088 to .160	.0268	85	.88**	.97	.97	.96 to .98

χ², chi-square; df, degrees of freedom; CFI, comparative fit index; TLI, Tucker–Lewis index; RMSEA, root mean square error of approximation; CI, confidence interval; SRMR, standardized root mean residual; S-IAT, six-item Internet Addiction Test, α, alpha, ω, omega, **p < .01

ISSN: 1472-6874