. Author manuscript; available in PMC: 2016 Sep 23.

Published in final edited form as: J Int Neuropsychol Soc. 2015 Nov;21(10):851–860. doi: 10.1017/S1355617715000697

Table 5. Results of Regression Analyses Examining the Association Between Physical Activity with Subcortical Brain Volume.

	Subcortical Volume
	β	b	SE b	p
*Block 1*
Constant	--	123821.62	40983.32	<0.01
Age	-0.15	-373.10	362.11	0.31
Sex (1 = males; 0 = females)	0.09	4098.63	9451.26	0.67
Ejection fraction	-0.02	-35.07	240.28	0.89
Depression (1 = yes; 0 = no)	0.08	4581.98	8574.49	0.60
Intracranial Volume	0.36	0.05	0.03	0.08
F	1.91 (p = 0.11)
R²	0.18
*Block 2*
Constant	--	122054.72	39380.82	<0.01
Average daily steps per day	0.30	3.34	1.54	0.04
F Δ	4.67 (p = 0.04)
Δ R²	0.08
Model F	2.50 (p = 0.04)
Model R²	0.26

Note. β = standardized beta coefficient; SE b = standard error of the unstandardized beta coefficient; beta values for constants are unstandardized beta coefficients