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. 2022 Dec 22;14:1070093. doi: 10.3389/fnagi.2022.1070093

Table 2.

Backward multiple linear regression models and Bayes factors for significant deltas of walking parameters.

Dependent variables Independent variables found as predictors n R 2 adj. F BF10 β p
ST fast pace
ΔASYM [s]2 29 0.26 5.9 7.81a 0.008**
ΔTMT 0.56 0.004**
DIA-S 0.44 0.02*
ST normal pace
Δstep time [s]2 37 0.14 6.85 4.49a 0.01**
MDS-UPDRS III 0.4 0.01**
Δstride time [s]2 37 0.16 7.7 6.50a 0.009**
MDS-UPDRS III 0.42 0.009**
Δstance time [s]1 45 0.11 6.26 3.18a 0.02*
MDS-UPDRS III 0.36 0.02*
ΔDLS [s]1 45 0.11 6.51 3.55a 0.01**
MDS-UPDRS III 0.36 0.01**
ΔDLSV [s]1 45 0.11 6.6 3.71a 0.01**
DIA-S −0.36 0.01**
ΔASYM [s]2 38 0.18 5.41 4.41a 0.009**
ΔTMT 0.34 0.03*
MDS-UPDRS III 0.28 0.08
DT walking-cognitive
Δgait speed [s]1 19 0.3 4.94 5.06a 0.02*
MoCA 0.42 0.05*
FES-I −0.41 0.06
Δstep time [s]1 19 0.21 5.66 3.51a 0.03*
MoCA 0.5 0.03*
Δstride time [s]2 16 0.62 9.16 29.9b 0.002**
ΔTMT −0.48 0.01**
FES-I −0.4 0.03*
Gender −0.38 0.05*
ΔDLS [s]2 16 0.51 6.19 27.7b 0.009**
ΔTMT −0.46 0.03*
FES-I −0.4 0.06
Gender −0.32 0.12
ΔASYM [s]2 17 0.42 6.68 17.5b 0.009**
FES-I −0.47 0.03*
Gender 0.69 0.004**
a

Moderate evidence for H1; ASYM, asymmetry.

b

Strong evidence for H1; BF10, Bayes factor as measure for strength of model evidence; DIA-S, Depression im Alter Scale; DLS, double limb support; DLSV, double limb support variability; DT, dual task; F, test statistic from ANOVA used for testing significance of the multiple regression models; m/s, meter per seconds; MDS-UPDRS III, Movement Disorder Society-revised version of the motor part of the Unified Parkinson’s Disease Rating Scale; MoCA, Montreal Cognitive Assessment total score; n, sample size; p ≤ 0.05*, significant on level of significance α ≤ 0.05; p ≤ 0.01**, significant on level of significance α ≤ 0.01; R2adj., multiple regression coefficient adjusted for sample size and number of model parameters; s, seconds; ST, single task; β, standardized regression weights; Δ, delta of walking parameters as difference of measurements after and before therapy; ΔTMT, delta of Trail Making Test (part B minus part A).

1

Model included MoCA, DIA-S, FES-I, age, gender, walking aid, and MDS-UPDRS III.

2

Model included ΔTMT, DIA-S, FES-I, age, gender, walking aid, and MDS-UPDRS III.