Table 1.

A comparison of gait parameters in basic conditions and during performance of a simple cognitive task (SCT) and a complex cognitive task (CCT) (n = 53).

Gait parameter	Basic performance		SCT		CCT
	Left foot	Right foot	Left foot	Right foot	Left foot	Right foot
Support phase (s)	0.63	0.63	0.63	0.63	0.63	0.63
	0.62–0.64	0.62–0.64	0.62–0.64	0.62–0.64	0.61–0.64	0.61–0.65
Double support phase (s)	0.13	0.13	0.12	0.14	0.13	0.15
	0.12–0.13	0.12–0.14	0.12–0.13	0.13–0.15	0.12–0.14	0.14–0.17
Support phase duration (s)	0.70	0.70	0.72	0.72	0.75	0.76
	0.67–0.73	0.67–0.73	0.69–0.76	0.68–0.76	0.71–0.79	0.72–0.80
Gait cycle duration (s)	1.11	1.11	1.15∗	1.13	1.19∗#	1.19∗#
	1.07–1.15	1.07–1.15	1.09–1.20	1.08–1.18	1.14–1.24	1.13–1.24
Step length (m)	0.50	0.49	0.50	0.49	0.49	0.47∗#
	0.48–0.52	0.47–0.51	0.48–0.52	0.47–0.51	0.45–0.52	0.45–0.49
Step width (m)	0.15		0.18		0.16
	0.149–0.160		0.13–0.24		0.15–0.16
Swing speed	2.30	2.31	2.26	2.27	2.04∗#	2.12∗#
	2.17–2.42	2.19–2.43	2.12–2.39	2.14–2.40	1.91–2.17	1.99–2.25
Gait speed (m∗s−1)	0.81		0.80		0.76∗
	0.76–0.86		0.74–0.85		0.68–0.84

Data presented as mean ± 95% CI.

Differences versus basic performance significance ^∗ p < 0.05.

Differences SCT versus CCT significance ^# p < 0.05.