Table 2.
Summary results from the reduced linear mixed-effects regression models examining the effects of obstacle height, BMI, ABC score, RMSacc, and use of compensatory movements (hover, pivot, hand(s) on wall) on four gait event durations.
| Completion times | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Parameter | Single leg stance, trailing leg | Double split stance | Single leg stance, leading leg | Total Task completion | ||||||||
| Estimate (SE) | d.f. | F, p-value | Estimate (SE) | d.f. | F, p-value | Estimate (SE) | d.f. | F, p-value | Estimate (SE) | d.f. | F, p-value | |
| Intercept | 0.60 (0.11) | 1,97 | 5.67, < .001 | 0.35 (0.03) | 1, 84 | 13.37, < .001 | 0.07 (0.14) | 1,47 | 0.49, .625 | 2.46 (0.50) | 1,19 | 4.91, < .001 |
| Obstacle height (cm) | 0.01 (0.01) | 1,88 | 6.48, < .001 | −0.01 (0.01) | 1, 85 | −5.50, < .001 | 0.01 (0.01) | 1,96 | 7.63, < .001 | 0.02 (0.01) | 1,91 | 7.43, < .001 |
| BMI (kg/m2) | - | - | - | - | - | - | - | - | - | - | - | - |
| ABC (score: 0–100) | - | - | - | - | - | - | - | - | - | −0.01 (0.01) | 1,16 | −2.36, .031 |
| RMSacc (g) | - | - | - | - | - | - | 2.95 (1.24) | 1,14 | 2.37, .032 | - | - | - |
| Hover | 0.17 (0.01) | 1,94 | 2.75, .007 | - | - | - | - | - | - | 0.22 (0.10) | 1,96 | 2.07, .041 |
| Pivot | - | - | - | - | - | - | −0.12 (0.06) | 1,90 | −2.02, .047 | - | - | - |
| Hand(s) on wall | 0.12 (0.05) | 1,96 | 2.30, .024 | - | - | - | 0.25 (0.06) | 1,76 | 4.52, < .001 | 0.30 (0.09) | 1,87 | 3.46, < .001 |
Values in bold indicate significant effects at p < .05.