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To investigate the relationship between spatiotemporal gait variability and falls self-efficacy after chronic stroke while taking into account the effect of some known potential confounders including fall numbers and gait velocity. Participants ( n  = 62) walked at their preferred speed to calculate gait variability for stride time, stride length, swing time, and double-support percent. The Falls Efficacy Scale-International (FES-I) assessed falls self-efficacy. The linear regression tests were used for statistical analysis. Age, sex, time since stroke, paretic side, motor impairments, fall numbers, and gait velocity were considered as independent variables. Increased FES-I score was related to higher stride time variability ( R2  = 0.65,  F (8,53) = 15.44,  P  &lt; .05). Increased FES-I was associated with higher stride length variability ( R2  = 0.42,  F (6,55) = 8.44,  P  &lt; .05). However, further adjustment on gait velocity and fall numbers made the association non-significant ( R2  = 0.41,  F (8,53) = 6.4,  P  &gt; .05). No significant relationship was identified between FES-I and swing time ( R2  = 0.08,  F (8,53) = 0.39,  P  &gt; .05) and FES-I and double-support percent variability ( R2  = 0.04,  F (8,53) = 0.67,  P  &gt; .05). The results indicate that increased FES-I score may be related to increased stride variability post stroke.

Investigating the relationship between spatiotemporal gait variability and falls self-efficacy in individuals with chronic stroke