Table 3.

Goodness of fit indices of SEM models at baseline (A) and follow-up (B)

Domain	Model	CFI	TLI	RMSEA	SRMR	AIC	BIC	aBIC
(A)
Neurocognition
	Five-factor	0.980	0.975	0.052	0.024	35946.693	36252.121	36033.058
	Hierarchical (second-order five-factor)	0.976	0.971	0.056	0.035	35984.238	36258.680	36061.841
Social cognition
	Five-factor	0.975	0.965	0.070	0.043	31668.861	31934.450	31743.961
	Hierarchical (second-order five-factor)	0.974	0.966	0.069	0.045	31675.887	31910.491	31742.225
Functioning
	Five-factor	0.976	0.967	0.066	0.029	36329.869	36608.738	36408.724
	Hierarchical (second-order five-factor)	0.972	0.965	0.067	0.039	36353.979	36601.863	36424.073
Functional capacity
	Five-factor	0.982	0.973	0.070	0.017	25355.430	25590.034	25421.769
	Hierarchical (second-order five-factor)	0.977	0.969	0.074	0.027	25390.930	25594.548	25448.506
(B)
Neurocognition
	Five-factor	0.988	0.985	0.042	0.020	34660.310	34965.064	34746.004
	Hierarchical (second-order five-factor)	0.987	0.984	0.043	0.026	34670.453	34944.290	34747.453
Social cognition
	Five-factor	0.980	0.972	0.067	0.037	30256.328	30521.332	30330.845
	Hierarchical (second-order five-factor)	0.980	0.975	0.064	0.039	30248.680	30482.767	30314.503
Functioning
	Five-factor	0.975	0.967	0.069	0.040	34715.893	34994.147	34794.136
	Hierarchical (second-order five-factor)	0.972	0.966	0.071	0.046	34737.941	34985.278	34807.489
Functional capacity
	Five-factor	0.988	0.981	0.061	0.015	24269.907	24503.994	24335.730
	Hierarchical (second-order five-factor)	0.987	0.983	0.059	0.018	24269.433	24472.602	24326.562

Abbreviations: aBIC, sample size adjusted BIC; AIC, Akaike information criterion; BIC, Bayesian information criterion; CFI, comparative fit index; RMSEA, root mean square error of approximation; SRMR, standardized root mean squared residual; TLI, Tucker–Lewis index.

Note: The preferred model for each clinical domain is in boldface.