Table 4.
Results from the OPLS-models, showing the coefficients for each variable for every valid model
| Normal Walking Gait Speed |
Normal Walking Step Length |
Dual-Task Cost Gait Speed |
|
|---|---|---|---|
| Model R2/Q2 | 0.627/0.338 | 0.445/0.175 | 0.617/0.255 |
| Descriptive Variables | |||
| Age | -0.14 (-0.4–0.12) | -0.16 (-0.34–0.02) | -0.12 (-0.29–0.05) |
| Sex | -0.39 (-0.76 – -0.02) | -0.14 (-0.29–0.01) | 0.22 (-0.03–0.47) |
| Education | 0.04 (-0.26–0.34) | 0.01 (-0.17–0.19) | -0.13 (-0.47–0.21) |
| Physical activity | -0.04 (-0.31–0.23) | 0.07 (-0.04–0.18) | -0.2 (-0.49–0.09) |
| Exercise | 0.12 (-0.18–0.42) | 0.06 (-0.08–0.2) | 0.29 (-0.04–0.62) |
| Falls | 0.08 (-0.21–0.37) | -0.07 (-0.19–0.05) | 0.05 (-0.22–0.32) |
| Injury | -0.08 (-0.3–0.14) | -0.15 (-0.21 – -0.09) | 0.1 (-0.16–0.36) |
| Fall-related concerns | -0.2 (-0.45–0.05) | -0.18 (-0.35 – -0.01) | 0.28 (-0.02–0.58) |
| Cognitive Tests | |||
| Subjective Cognitive Decline | 0.01 (-0.26–0.28) | -0.03 (-0.18–0.12) | 0.16 (-0.16–0.48) |
| aMoCA | -0.2 (-0.38 – -0.02) | -0.1 (-0.32–0.12) | -0.13 (-0.37–0.11) |
| bTMT-A | 0.09 (-0.14–0.32) | 0.13 (-0.03–0.29) | -0.01 (-0.26–0.24) |
| cTMT-B | -0.03 (-0.13–0.07) | 0.03 (-0.11–0.17) | 0.04 (-0.1–0.18) |
| dTMTB-A | -0.05 (-0.16–0.06) | 0 (-0.14–0.14) | 0.05 (-0.15–0.25) |
| bStroop-1 | 0.18 (0.05–0.31) | 0.16 (0.05–0.27) | -0.18 (-0.48–0.12) |
| eStroop-2 | 0 (-0.21–0.21) | 0.06 (-0.11–0.23) | 0.08 (-0.1–0.26) |
| fStroop2-1 | -0.14 (-0.36–0.08) | -0.05 (-0.25–0.15) | 0.24 (0.11–0.37) |
| gDOT-A | -0.04 (-0.27–0.19) | -0.02 (-0.18–0.14) | 0.01 (-0.24–0.26) |
| bSimple Mean | -0.11 (-0.35–0.13) | -0.04 (-0.19–0.11) | 0.21 (0.02–0.4) |
| Simple IIV | -0.02 (-0.15–0.11) | -0.05 (-0.22–0.12) | 0.07 (-0.21–0.35) |
| bChoice Mean | -0.01 (-0.29–0.27) | 0.02 (-0.12–0.16) | 0.22 (0.01–0.43) |
| Choice IIV | 0.29 (0.04–0.54) | 0.14 (0.05–0.23) | 0.19 (-0.14–0.52) |
aGlobal cognition, bprocessing speed, cworking memory and shifting ability, dshifting ability, eworking memory, inhibition, and processing speed, finhibition, gupdating. Sex is coded with 0 for women and 1 for men. A fall, an injury, or fall-related concerns is coded with 1, and negative results coded with 0. Higher values on the cognitive tests indicate better performance. Significant coefficients are shown in bold font. Abbreviations: TMT = Trail Making Test; DOT-A = Adaptive Digit Ordering Test; IIV = Intraindividual variability