Table 5.

Invariance testing between gender for the PSS-2&2.

Model	χ2(df)	CFI	RMSEA	Model comparison	χ2(Δdf)	p
1) Configural	4.5 (2)	0.999	0.042
2) Metric	13.7 (12)	1.0	0.014	1 vs. 2	10.4 (10)	0.407
3a) Scalar	27.0 (14)	0.997	0.036	2 vs. 3a	8.4 (2)	0.015
3b) Scalar (partial)	20.5 (13)	0.998	0.028	2 vs. 3b	3.9 (1)	0.047
4) Strict (partial)	70.5 (17)	0.986	0.066	3b vs. 4	38.6 (4)	<0.001

CFI, Comparative Fit Index; df, degrees of freedom; RMSEA, Root Mean Square Error of Approximation.