. Author manuscript; available in PMC: 2015 Jul 6.

Published in final edited form as: Cerebrovasc Dis. 2006 Dec 1;23(2-3):203–210. doi: 10.1159/000097642

Table 4.

Hierarchical linear regression model summary for balance and mobility.

Independent Variable ^†	Balance and Functional Mobility ^*
Independent Variable ^†	R²	R² Change	Unstandardized B (Standard Error)	Standardized β	P - value
Model 1	0.215	0.215			< 0.01
Age			0.02 (0.01)	0.14	0.27
Normalized Quad Strength, Paretic			1.54 (0.57)	0.35	0.01
PASIPD Score			0.24 (0.13)	0.24	0.06
Model 2	0.278	0.063			0.04
Age			0.02 (0.01)	0.20	0.12
Normalized Quad Strength, Paretic			1.28 (0.56)	0.30	0.03
PASIPD Score			0.23 (0.12)	0.22	0.07
Stroop Interference Score			0.03 (0.01)	0.27	0.04

The first principal component extracted from the principal component analysis.

^†

Age in years; Normalized quadriceps strength in Newton / (weight in kilograms x height in meters / 2); PASIPD = Physical Activity Scale for Individuals with Physical Disabilities in MET hr/d; Stroop Interference Score in number of correct responses in 45 seconds.