Measuring subjective well-being from a multidimensional and temporal perspective: Italian adaptation of the I COPPE scale

Table 4 Italian I COPPE scale Time invariance results (1st and 2nd wave)

Model/Indices	1.1 Configural Model	1.2 Full Metric Invariance	1.3 Full Scalar Invariance	1.4 Full Strict Invariance
MLR χ²	1005.602	1021.211	1040.046	1055.228
χ² df	629	643	658	686
χ² p	<.001	<.001	<.001	<.001
CFI	.966	.966	.966	.968
TLI	.954	.955	.955	.960
RMSEA (90% CI)	.032 (.028 .036)	.032 (.028 .036)	.032 (.028 .035)	.030 (.026 .033)
SRMR	.066	.067	.067	.070
Model Comparison	/	1.2 Vs 1.1	1.3 Vs 1.2	1.4 Vs 1.3
∆MLR χ^2a	/	17.677	14.561	24.942
∆df	/	14	15	28
P	/	.222	.483	.631

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