TABLE 3.

Fit indices derived from confirmatory factor analyses (WLMSV): school-type analyses

Model	χ2s-b	df	CFI	ΔCFIa	TLI	ΔATLIa	SMR	RMSEA [90% CI]
Participant groups
CFA Grammar	552.179*	288	0.954	–	0.944	–	0.047	0.052 [0.046, 0.059]
CFA Secondary	491.035*	288	0.962	–	0.953	–	0.048	0.051 [0.043, 0.058]
CFA Everyone	751.600*	288	0.958	–	0.948	–	0.040	0.051 [0.047, 0.056]
Age invariance
Configural	1,043.667*	629	0.962	–	0.958	–	0.048	0.046 [0.041, 0.051]
Metric	1,060.403*	647	0.962	+0.000	0.959	+0.001	0.049	0.046 [0.041, 0.051]
Scalar	1,059.135*	647	0.965	+0.003	0.964	+0.005	0.049	0.043 [0.038, 0.048]

Notes. s-b, Santorra-Bentler. ^aReference is CFA for entire sample (everyone)

^*p<0.01