. 2021 Feb 5;21:104. doi: 10.1186/s12877-021-02054-8

Table 2.

Bivariate correlations

	Age	Education	FRS	Household Physical Activity	Recreational Physical Activity	Whole Brain Volume	Gray Matter Volume	White Matter Volume	Memory	Working Memory	Executive Function	Processing Speed
Age	1
Education	0.01	1
FRS	0.18	−0.11	1
Household Physical Activity	−0.18	− 0.23	−0.11	1
Recreational Physical Activity	0.04	0.01	−0.15	0.19	1
Whole Brain Volume	−0.24	−0.15	−0.28^a	0.36^b	0.19	1
Gray Matter Volume	−0.40^c	−0.07	− 0.22	0.36^b	0.16	0.71^c	1
White Matter Volume	−0.07	−0.17	−0.28^a	0.27^a	0.15	0.80^c	0.23	1
Memory	−0.06	0.12	−0.39^b	0.10	0.13	0.36^b	0.19	0.26^a	1
Working Memory	−0.04	0.33^b	−0.03	0.00	0.18	0.17	0.15	0.08	0.21	1
Executive Function	−0.20	0.39^b	−0.30^a	− 0.14	0.19	0.35^b	0.35^b	0.23	0.35^b	0.57^c	1
Processing Speed	−0.13	0.24	−0.05	0.08	0.14	0.31^a	0.25^a	0.17	0.35^b	0.44^c	0.61^c	1

FRS = Framingham Risk Score; Partial correlations adjusting for intracranial volume were used to assess brain volume, ^a < .05, ^b < .01, ^c < .001. N = 66