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

*p < 0.05