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. Author manuscript; available in PMC: 2009 Feb 27.
Published in final edited form as: J Gerontol A Biol Sci Med Sci. 2008 Dec;63(12):1380–1388. doi: 10.1093/gerona/63.12.1380

Table 4.

Results of Stepwise Regression Models Adjusted for Age, Gender, and Total Brain Volume.

Step Width
 Step Length
 Double Support Time
Regions
of Interest		 Standardiz
ed β (p
Value)		 Regions of
Interest		 Standardiz
ed β (p
Value)		 Regions of
Interest		 Standardi
zed β (p
Value)
Pallidum,
left		 - Sensorimoto
r cortex, left		 - Sensorimot
or cortex,
left		 -
Pallidum,
right		 -.13 (.04) Sensorimoto
r cortex,
right		 -.33
(<.0001)		 Sensorimot
or, cortex
right		 .26 (.001)
Inferior
parietal
lobule,
left		 - Supplementa
ry motor
cortex, left		 - Motor
cortex, right		 -
Inferior
parietal
lobule,
right		 -.17 (.03) Motor
cortex, right		 - Superior
parietal
lobule, right		 -
Dorsolater
al
prefrontal
cortex,
right		 - Superior
parietal
lobule, right		 - Inferior
parietal
lobule, left		 -
Inferior
parietal
lobule, left		 - Inferior
parietal
lobule, right		 -
Inferior
parietal
lobule, right		 - Dorsolatera
l prefrontal
cortex, left		 -
Dorsolateral
prefrontal
cortex, left		 - Dorsolatera
l prefrontal
cortex, right		 -
Dorsolateral
prefrontal
cortex, right		 - -
Adjusted
model, r2 		0.14 0.25 0.04
*

Notes: Regions that were significant in Model 1 (see Table 3, results with †) entered a stepwise model.

- = Variable did not enter the model.