Table 3.

Multiple linear regression of factors associated with cognitive functions measured by Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) among 65 healthy community-dwelling adults 65 to 75 years of age

	regression coefficient (B)	SE	standardized regression coefficient (Beta)	t	p	adjusted R2 (p-value)
Immediate memory						0.119 (0.028)
Female gender	4.66	3.76	0.16	1.24	0.221
Age in years	-0.07	0.59	-0.02	-0.13	0.901
Years of formal	education	1.09	0.51	0.27	2.15	0.035
Volume of left hippocampus	0.01	0.01	0.26	0.99	0.325
Volume of right hippocampus	0.00	0.01	0.00	0.02	0.988
Visuospatial and constructional ability						0.236 (<0.001)
Female gender	-3.62	3.46	-0.12	-1.05	0.300
Age in years	-0.60	0.54	-0.14	-1.12	0.270
Years of formal education	1.74	0.47	0.43	3.74	<0.001
Volume of left hippocampus	0.00	0.00	0.11	0.44	0.660
Volume of right hippocampus	-0.00	0.01	-0.03	-0.12	0.900
Language						0.038 (0.201)
Female gender	4.78	2.93	0.21	1.63	0.109
Age in years	0.71	0.46	0.23	1.55	0.126
Years of formal education	0.82	0.39	0.27	2.09	0.041
Volume of left hippocampus	0.00	0.01	0.06	0.24	0.813
Volume of right hippocampus	-0.00	0.01	-0.06	-0.25	0.803
Attention						0.152 (0.011)
Female gender 0.57	4.19	0.02	0.14	0.893
Age in years 0.22	0.65	0.05	0.33	0.74
Years of formal education	1.58	0.56	0.34	2.81	0.007
Volume of left hippocampus	0.02	0.01	0.58	2.31	0.024
Volume of right hippocampus	-0.01	0.01	-0.45	-1.92	0.059
Delayed memory						0.341 (<0.001)
Female gender	6.20	3.71	0.18	1.67	0.100
Age in years	-0.28	0.58	-0.06	-0.49	0.627
Years of formal education	1.39	0.50	0.30	2.80	0.007
Volume of left hippocampus	0.01	0.01	0.24	1.08	0.286
Volume of right hippocampus	0.01	0.01	0.21	1.03	0.307
Total score						0.261 (<0.001)
Female gender	3.03	3.37	0.10	0.90	0.372
Age in years	-0.07	0.53	-0.02	-0.14	0.893
Years of formal education	1.72	0.45	0.44	3.82	<0.001
Volume of left hippocampus	0.01	0.01	0.32	1.37	0.176
Volume of right hippocampus	-0.00	0.01	-0.08	-0.35	0.728