Table 2. Association of mobile semantic memory test scores with brain structure volumes.

	Left			Right
Variable	Coefficient	SE	T-ratio	Coefficient	SE	T-ratio
Age	0.042	0.040	1.051	0.038	0.577	0.275
Sex	0.753	0.555	1.356	0.683	0.552	1.238
Education	1.017	0.282	3.606***	1.072	0.289	3.705***
Total intracranial volume	0.002	0.001	1.660	0.002	0.001	1.981
Hippocampus volume	0.001	0.000	2.950**	0.001	0.000	2.935**
Age	0.000	0.007	0.053	0.001	0.007	0.131
Sex	0.160	0.111	1.439	0.151	0.113	1.329
Education	0.183	0.064	2.871**	0.177	0.062	2.868**
Total intracranial volume	0.001	0.000	1.834	0.001	0.000	1.533
Caudate nucleus volume	−0.000	0.000	−0.848	−0.000	0.000	−0.382

**p<0.01,

***p<0.001.