Table 3. Linear Regression Models Assessing the Effect of Perceived Stress on Total Hippocampal and Whole Brain Volumes.

	Hippocampus			Whole Brain
	Beta	t	p-value	Beta	t	p-value
PSS-14	-0.20	-2.40	0.02	0.01	0.21	0.83
Age	-0.38	-4.53	≤0.01	-0.33	-7.36	≤0.01
Gender	0.10	1.03	0.31	-0.00	-0.06	0.95
Race	-0.07	-0.77	0.44	-0.00	-0.09	0.93
TICV	0.13	1.23	0.22	0.83	15.24	≤0.01

Note: PSS-14 = Perceived Stress Scale; TICV = Total Intracranial Volume.