Table 3 The results of linear regression analysis with the “low” foot orthosis as the reference
Estimate | Std. error | t value | p value | 95% CI (lower) | 95% CI (upper) | ||
|---|---|---|---|---|---|---|---|
Knee valgus angle at initial contact (deg) | (Intercept) | − 4.473 | 1.564 | 3.534 | 0.001 | 2.462 | 8.593 |
Foot orthosis | 1.405 | 0.436 | 3.223 | 0.002* | 0.550 | 2.259 | |
Knee valgus angle at peak contact (deg) | (Intercept) | 2.002 | 2.562 | 4.685 | 0.000 | 6.981 | 17.023 |
Foot orthosis | 1.633 | 0.855 | 1.909 | 0.059 | − 0.043 | 3.310 | |
Knee flexion angle at initial contact (deg) | (Intercept) | 10.790 | 1.587 | 6.799 | 0.000 | 7.679 | 13.900 |
Foot orthosis | − 0.137 | 0.439 | − 0.311 | 0.756 | − 0.998 | 0.724 | |
Knee flexion angle at peak contact (deg) | (Intercept) | 24.033 | 2.051 | 11.717 | 0.000 | 20.013 | 28.053 |
Foot orthosis | − 0.605 | 0.619 | − 0.977 | 0.330 | − 1.818 | 0.608 | |
Knee varus/valgus moment (varus +) (%BW*Ht) | (Intercept) | 1.924 | 0.206 | 9.358 | 0.000 | 1.521 | 2.327 |
Foot orthosis | 0.068 | 0.048 | 1.420 | 0.159 | − 0.026 | 0.162 | |
Medial distance COM (m) | (Intercept) | 0.255 | 0.008 | 33.861 | 0.000 | 0.241 | 0.270 |
Foot orthosis | − 0.003 | 0.003 | − 1.075 | 0.285 | − 0.009 | 0.003 | |
Posterior distance COM (m) | (Intercept) | 0.350 | 0.013 | 27.449 | 0.000 | 0.325 | 0.375 |
Foot orthosis | 0.000 | 0.003 | − 0.135 | 0.893 | − 0.007 | 0.006 | |
Speed (m/s) | (Intercept) | 4.325 | 0.090 | 48.225 | 0.000 | 4.150 | 4.501 |
Foot orthosis | − 0.006 | 0.026 | − 0.233 | 0.816 | − 0.057 | 0.045 |