Table 1.

Psychometric parameters for fit of the models to the samples of the instruments used (Depression, Anxiety and Stress Scale (DASS-21), and Impact of Event Scale-revised, (IES-R)).

Instrument	Sample	n	Confirmatory Factor Analysis *
			λ	CFI	TLI	RMSEA (90% CI)	α
DASS-21	Brazil	12,196	0.54–0.92	0.978	0.975	0.065 (0.064–0.066)	0.892–0.947
	Midwest	1026	0.52–0.92	0.973	0.970	0.068 (0.064–0.072)	0.879–0.944
	Northeast	3804	0.53–0.91	0.977	0.974	0.066 (0.064–0.067)	0.890–0.947
	North	1191	0.52–0.91	0.974	0.971	0.070 (0.066–0.074)	0.887–0.945
	Southeast	4677	0.55–0.93	0.980	0.977	0.064 (0.062–0.066)	0.896–0.949
	South	1498	0.55–0.93	0.981	0.978	0.059 (0.056–0.063)	0.892–0.941
IES-R †	Brazil	12,196	0.51–0.89	0.964	0.960	0.072 (0.071–0.073)	0.879–0.927
	Midwest	1026	0.53–0.89	0.968	0.964	0.067 (0.063–0.071)	0.883–0.928
	Northeast	3804	0.52–0.89	0.965	0.961	0.072 (0.070–0.074)	0.878–0.928
	North	1191	0.53–0.88	0.965	0.960	0.069 (0.065–0.072)	0.883–0.926
	Southeast	4677	0.50–0.89	0.964	0.959	0.073 (0.071–0.075)	0.877–0.926
	South	1498	0.50–0.89	0.963	0.958	0.072 (0.069–0.075)	0.871–0.924

* Comparative Fit Index (CFI), Tucker-Lewis Index (TLI), and Root Mean Square Error of Approximation (RMSEA) with a 90% confidence interval; ^† With fit refinement.