Table 2.

Results of ROI‐based multiple linear regression analyses

	Age group		Stroop interference		TMT‐A		Gender		Years of education
	β	P	β	P	β	P	β	P	β	P	R 2
FA
Genu corpus callosum	−0.603	<0.001	−0.235	0.035	−0.036	0.774	−0.129	0.209	−0.068	0.522	0.620
Body corpus callosum	−0.604	0.001	−0.235	0.052	0.047	0.732	−0.103	0.354	−0.004	0.974	0.551
Anterior corona radiata right	−0.421	0.002	−0.350	0.002	−0.165	0.189	−0.164	0.103	−0.085	0.410	0.637
Anterior corona radiata left	−0.533	<0.001	−0.315	0.007	0.018	0.890	−0.155	0.141	−0.097	0.374	0.600
Anterior limb of internal capsule right	−0.524	0.001	−0.214	0.075	−0.084	0.542	−0.170	0.128	−0.068	0.552	0.553
Anterior limb of internal capsule left	−0.439	0.007	−0.253	0.055	−0.022	0.882	−0.225	0.067	−0.043	0.730	0.467
MD
Genu corpus callosum	0.586	<0.001	0.260	0.015	0.057	0.638	0.159	0.104	0.069	0.491	0.658
Body corpus callosum	0.753	<0.001	0.157	0.107	−0.080	0.437	0.074	0.407	−0.125	0.182	0.706
Anterior corona radiata right	0.401	0.005	0.355	0.003	0.138	0.294	0.191	0.073	0.116	0.293	0.596
Anterior corona radiata left	0.453	0.003	0.297	0.017	0.086	0.540	0.182	0.108	0.130	0.269	0.540
Anterior limb of internal capsule right	0.448	0.006	0.339	0.012	−0.019	0.901	0.062	0.610	0.006	0.963	0.465
Anterior limb of internal capsule left	0.500	0.001	0.317	0.013	−0.014	0.921	0.126	0.275	0.086	0.473	0.519

Note: FA and MD values were set as dependent variable. Age group, Stroop interference rate, Trail‐Making‐Test‐A, gender, and years of education were set as covariates. FA: fractional anisotropy; MD: mean diffusivity; TMT‐A: Trail‐Making‐Test part A.