Table 3. Confirmatory factor analysis and measurement invariance.

	CFI	TLI	RMSEA	SRMR	Δ CFI	Δ TLI	Δ RMSEA	Δ SRMR
T1	0.997	0.991	0.035	0.020
T2	0.998	0.995	0.030	0.017
T3	0.998	0.995	0.030	0.018
Configural	0.997	0.992	0.035	0.017
Metric	0.997	0.995	0.027	0.017	0.000	0.003	-0.008	0.000
Scalar	0.996	0.996	0.027	0.019	-0.001	0.001	0.000	0.002
Strict	0.995	0.996	0.025	0.023	-0.001	0.001	-0.002	0.004

Note. CFI = Robust Comparative Fit Index; TLI = Robust Tucker-Lewis Index; RMSEA = Robust Root Mean Square of Approximation; SRMR = Standardized Root Mean Square Residual; Δ = difference in model fits between sequential models.