Table 5.

Results of multivariable linear regression using BL FA and covariates to predict baseline and change cognition. Predictors were determined by adaptive LASSO; blanks indicate the variable was not selected as an appropriate predictor in the LASSO.

Measures	R-squared	p-val	β ATR	β CR	β CCG	β CH	β FM	β SLF	β UF	β GCC	β BCC	β SCC
Baseline
Learning	0.493	0.002***			−3.214	−0.193	−2.635			−0.352		−6.056
Overall Cognition	0.357	< .001***				−2.312
Change
Processing Speed	0.468	0.118				0.408				0.514	1.479
Overall Cognition	0.198	0.030*				2.166

Note: ATR = Anterior Thalamic Radiation, CR = Corona Radiata, CCG = Cingulum (Cingulate Gyrus), CH = Cingulum Hippocampus, FM = Forceps Minor, SLF = Superior Longitudinal Fasciculus, UF = Uncinate Fasciculus, GCC = Genu of Corpus Callosum, BCC = Body of Corpus Callosum, SCC = Splenium of Corpus Callosum.

^{* =}sig. at α = .05.

^{** =}sig. at α = .01.

^{*** =}sig. at .00714.