The effects of mobile phone use on walking: a dual task study

BMC Research Notes

Table 2 Mean values ± 1SD of spatiotemporal stride parameters under each condition

Parameter	Single task		Dual-task
	Walking only		Walking + texting		Walking + talking on a phone
	NWS	FWS	NWS	FWS	NWS	FWS
Gait velocity (m/s)	1.4 ± 0.2	1.7 ± 0.2	1.3 ± 0.2^a	1.5 ± 0.2^a	1.4 ± 0.2	1.6 ± 0.2
Cadence (steps/min)	115 ± 6.3	126 ± 7.7	112 ± 8.5^a	122 ± 9.1^a	114 ± 7.8	124 ± 8.9
Stride length (m)	1.47 ± 0.12	1.61 ± 0.11	1.36 ± 0.13^a	1.48 ± 0.12^a	1.41 ± 0.09^b	1.56 ± 0.10^b
Double support time (% of gait cycle time)	20.9 ± 2.6	17.9 ± 2.4	22.9 ± 4.6^a	20.6 ± 2.9^a	22.0 ± 3.5	19.2 ± 2.5

Significant demarcation based on pairwise comparisons of the three levels of task
NWS self-selected walking speed, FWS self-selected fast walking speed
^aDenotes ‘walking + texting’ condition differs significantly from the walking only condition at that speed (P < 0.05)
^bDenotes ‘walking + talking on a phone’ condition differs significantly from the walking only condition at that speed (P < 0.05)

ISSN: 1756-0500