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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Gait Posture. 2017 Jan 20;53:110–114. doi: 10.1016/j.gaitpost.2017.01.010

Table 3.

Multiple linear regression analysis of the relationship between lower limb muscle co-contraction during walking and ΔTMT, adjusted for age.

Normal Walking
ΔTMT (s)
Co-Contraction (%) R2 β p-val
Stride 0.113 0.049 0.246
Stance 0.026 0.007 0.870
Swing 0.251 0.110 0.022
Dual Task Walking
ΔTMT (s)
Co-Contraction (%) R2 β p-val
Stride 0.096 0.058 0.151
Stance 0.012 0.023 0.582
Swing 0.266 0.121 0.010

Note: R2 = measures the proportion of variance in the outcome variable explained by the predictor variable; β = magnitude of the slope of the relationship; p-val = probability of whether or not β is significantly different than 0 (p-val < 0.05 was considered statistically significant).