Table 4.

Fit statistics for measurement equivalence/invariance of WHO-5 scores across gender groups

				∆χ2
Model	χ2	df	p	∆χ2	∆DF	p	CFI	∆CFI	TLI	RMSEA	RAMSEA CI	∆RMSEA
1.Configural invariance	27.38	21	0.15	–	–	–	0.997	–	0.997	0.048	0.000–0.093	–
2.Metric invariance	35.35	25	0.08	9.78	4	0.04	0.995	0.002	0.996	0.056	0.000–0.095	0.008
3.Scalar invariance	45.30	34	0.09	13.00	9	0.06	0.994	0.003	0.997	0.050	0.000–0.085	0.002
4.Strict invariance	55.24	39	0.04	14.74	5	0.01	0.992	0.005	0.996	0.056	0.010–0.088	0.008