. Author manuscript; available in PMC: 2009 Dec 1.

Published in final edited form as: Arch Phys Med Rehabil. 2008 Dec;89(12):2293–2296. doi: 10.1016/j.apmr.2008.06.010

Table 2. ICCs for Test-Retest Reliability of Gait Variability, Mean Gait Characteristics, and Gait Speed.

Gait Characteristic	4-m Walk N=558	Two 4-m Walks N=558
Gait variability
Step length SD	0.48	0.63
Step width SD	0.22	0.40
Stance time SD	0.37	0.50
Gait speed and mean gait characteristics
Gait speed	0.97	0.98
Step length mean	0.97	0.99
Step width mean	0.80	0.89
Stance time mean	0.96	0.98