Table 5.

Multiple Regression Analysis Predicting TMT-B

(Step) Predictor	Beta§	Multiple R	R2	R2 Change	F Change	F Model
Analysis 1
(1) Age	.295**	.295	.0874	.087	F(1,73)=6.94**	F(1,74) =6.94**
Analysis 2
(1) Age	.286*
(2) WMH	.224*	.370	.137	.050	F(1,72) =4.19*	F(2,72) = 5.72**
Analysis 3
(1) Age	.203ns
(2) WMH	.206*
(3) Hipp Volume	-.383***	.526	.277	.139	F(1,71) = 13.6***	F(3,71) = 9.04***

Note. WMH = white matter hyperintensities; Hipp = hippocampal; TMT = Trail Making Test

^§Refers to Beta weight at final step in each analysis;

^*= p < .05;

^**= p < .01;

^***= < .001,

ns = non significant