Table 2.

Linear regressions predicting gait speed.

Domain	Adjusted R2	Predictors	ß	p-value
Sustained Attention	0.24***	gradCPT d′	0.30	0.03*
		RT	−0.20	0.11
		Waist circumference	−0.16	0.22
		Education	0.16	0.21
Executive Functioning	0.12*	Task switching†	0.23	0.12
		Waist circumference	−0.21	0.13
		Education	0.11	0.50
	0.09	Working memory††	0.05	0.71
		Waist circumference	−0.19	0.18
		Education	0.23	0.12
	0.12*	Inhibitory control†††	0.19	0.14
		Waist circumference	−0.20	0.14
		Education	0.20	0.12
Sustained Attention & Executive Functioning	0.21**	gradCPT d'	0.35	0.01**
		Task switching†	0.08	0.62
		Waist circumference	−0.15	0.25
		Education	0.11	0.46
Stepwise Model1	0.19***	gradCPT d′	0.45	0.0004***

^*p < 0.05,

^**p < 0.01,

^***p < 0.001.

^†D-KEFS Number/Letter Switching (scaled score),

^††Digit Span Sequencing (scaled score),

^†††D-KEFS Color-Word Inhibition (scaled score).

¹Via stepwise regression analysis (see Methods).