Table 2.

Linear regression results relating total number of physical activity days to normalized brain volumes

Normalized Brain Region	Standardized β Weight	Un-Standardized β Weight	Partial Correlation Coefficient	p
Total Gray Matter	0.05	4.94e-4	0.05	1.22e-7
Total White Matter	0.06	6.18e-4	0.06	9.34e-11
Lateral Ventricle	−0.003	−5.70e-6	0.004	0.7
Frontal Lobe	0.04	1.21e-4	0.04	1.06e-5
Temporal Lobe	0.07	1.41e-4	0.07	8.77e-12
Parietal Lobe	0.04	7.96e-5	0.04	6.68e-5
Occipital Lobe	0.04	4.61e-5	0.04	6.96e-6
Cerebellum	0.06	1.63e-4	0.06	3.72e-9
Hippocampus	0.05	8.4e-6	0.05	5.96e-7
Posterior Cingulate	0.04	5.41e-6	0.04	4.47e-5
Precuneus	0.03	1.26e-5	0.03	1.41e-3