. Author manuscript; available in PMC: 2016 Sep 1.

Published in final edited form as: Exp Gerontol. 2016 Apr 11;80:27–35. doi: 10.1016/j.exger.2016.04.001

Table 5.

Linear Regression Model for Change in Set Shifting Performance

			Δ Set Shifting^╫
Independent Variable	R²	R² Change	Unstandardized B (SE)	Standardized B	p-value^*
Model 1	0.02
Falls status			0.18 (0.17)	0.14	0.31
Age (yr)			0.01 (0.03)	0.04	0.79
White matter hypointensity (mm^3)			−0.08 (0.31)	−0.04	0.78
Model 2	0.11	0.09			0.02
Falls status			0.01 (0.18)	0.01	0.95
Age (yr)			−0.02 (0.03)	−0.08	0.58
White matter hypointensity (mm^3)			0.20 (0.32)	0.09	0.54
LH-lateral orbitofrontal white matter volume(mm^3)			−0.01 (0.01)	−0.35	0.02

Note: LH = Left-hemisphere.

Bolded values represent p<0.05

^╫

Calculated as 12-month (TMTB-TMTA)/TMTA – baseline (TMTB-TMTA)/TMTA