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Table 3 Step 1 of hierarchical regression models in CR/RANN

From: Verbal intelligence is a more robust cross-sectional measure of cognitive reserve than level of education in healthy older adults

Cognition

Model statistics

Brain

Sex

Age

n

R2

f

Variable

β

β

β

Verb Flu

234

.087

7.320***

Grey matter volume

.258***

−.073

−.062

Proc Speed

234

.087

7.344***

.218**

−.296*

−.120

Exec Func

234

.047

3.762*

.175*

−.247*

−.063

Epi Mem

234

.061

4.998**

.221**

.070

−.072

Glob Cog

234

.130

11.498****

.330****

−.148

−.117*

Verb Flu

234

.043

3.449*

Hippocampal volume

.078

<−.001

−.111*

Proc Speed

234

.061

5.014**

.034

−.225

−.173**

Exec Func

234

.030

2.339

.026

−.190

−.107

Epi Mem

234

.033

2.608

.032

.142

−.127*

Glob Cog

234

.069

5.671***

.061

−.044

−.195**

Verb Flu

234

.065

5.303**

Mean cortical thickness

.166**

−.024

−.098

Proc Speed

234

.073

6.063***

.129

−.252*

−.152*

Exec Func

234

.048

3.834*

.153*

−.226

−.077

Epi Mem

234

.053

4.281**

.159*

.106

−.098

Glob Cog

234

.109

9.401****

.231***

−.092

−.158**

  1. Verb Flu verbal fluency, Proc Speed processing speed, Exec Func executive function, Epi Mem episodic memory, Glob Cog global cognition
  2. *p < .05, **p < .01, ***p < .001, ****p < .0001