Table 5.

Fit of Different Models Testing the Cognitive Ability and Depression Relationship

Model	Description	χ2	df	RMSEA	CFI	Mc	AIC	$R_{\text{WIII}-\text{ADPVT}}^2$	$R_{\text{WIII}-\text{Dep}}^2$
1a	Full cross-lagged model without covariates	1486.30	199	0.02	0.98	0.96	1680	0.48	0.16
1b	Model 1a, but cross lagged paths are constrained to be equal	1491.04	200	0.02	0.98	0.96	1683	0.49	0.16
1c	Model 1a, constraining the coefficients for weak relationships to zero	1465.38	200	0.02	0.98	0.96	1653	0.48	0.17
2a	Model 1a with all covariates	1444.03	343	0.02	0.98	0.96	1658	0.46	0.15
2b	Model 1c with all covariates	1436.81	344	0.02	0.98	0.96	1649	0.46	0.15
2c	Model 2b constraining the coefficients for weak relationships to zero	1430.82	345	0.02	0.98	0.96	1641	0.46	0.15

Note. CFI: comparative fit index; TLI: Tucker Lewis index; RMSEA: Root mean square error of approximation; Mc; AIC: Akaike information criterion.