. 2017 Sep 19;10:22–30. doi: 10.1016/j.dadm.2017.08.004

Table 2.

Fit indices of separate group analysis latent growth curve modeling with prior cognitive reserve and age entered as covariates

Cognitive domain	Group	N	Chi-square test			RMSEA	SRMR	CFI	Δχ² difference
Cognitive domain	Group	N	χ²	df	P	RMSEA	SRMR	CFI	P
Episodic memory
Control	Linear	100	9.279	11	.60	<0.001	0.035	1.00	NS
	Quadratic	100	7.719	8	.46	<0.001	0.032	1.00	NS
Intervention	Linear	344	16.602	9	.06	0.050	0.024	0.988	<.05
	Quadratic	344	5.381	6	.50	<0.001	0.014	1.00	<.05
Working memory
Control	Linear	100	10.063	11	.53	<0.001	0.048	1.00	NS
	Quadratic	100	8.507	8	.39	0.025	0.047	0.998	NS
Intervention	Linear	343	11.163	11	.43	0.007	0.023	1.00	NS
	Quadratic	343	10.743	8	.22	0.032	0.021	1.00	NS
Executive function
Control	Linear	100	6.320	9	.71	<0.001	0.046	1.00	NS
	Quadratic	100	5.088	6	.53	<0.001	0.043	1.00	NS
Intervention	Linear	343	5.898	11	.88	<0.001	0.033	1.00	NS
	Quadratic	343	3.966	8	.86	<0.001	0.030	1.00	NS
Language Processing
Control	Linear	100	18.596	11	.07	0.083	0.091	0.963	NS
	Quadratic	100	17.299	8	.03	0.108	0.090	0.955	NS
Intervention	Linear	344	12.094	9	.21	0.032	0.049	0.993	NS
	Quadratic	344	7.591	6	.27	0.028	0.035	0.996	NS

Abbreviations: CFI, comparative fit index; RMSEA, root mean squared error of approximation; SRMR, standardized root mean square residual; df, degrees of freedom; NS, non-significant difference.