Table 3.

Fit Indices for the four alternative ASD models (N = 594) in the pooled sample

Item models	Satorra‐Bentler χ 2(df)a	p	BIC	CFI	RMSEA; 90% CI	TLI
1 Factor	χ 2(118) = 391.78	<.001	−361.87	.90	.063; 0.056, 0.069	.89
3 Factors b	χ 2 (116) = 234.09	<.001	−506.79	.96	.041; 0.034, 0.049	.95
4 Factors	χ 2(113) = 231.10	<.001	−490.61	.96	.042; 0.034, 0.050	.95
5 Factors	χ 2(109) = 207.14	<.001	−489.03	.97	.039; 0.031, 0.047	.96

ASD, Acute Stress Disorder; BIC, Bayesian Information Criterion; CFI, comparative fit index; RMSEA, root mean square error of approximation; TLI, Tucker‐Lewis Index.

^aSatorra Bentler χ ².

^bModels in bold indicate the best fitting model.