. 2021 Oct 19;9:e12385. doi: 10.7717/peerj.12385

Table 4. Relationships of foot structure features with subjective assessment of footwear comfort in women.

Variable		L_r	L_l	W_r	W_l	Cl_r	Cl_l	γ_r	γ_l	α_r	α_l	β_r	β_l
Shoe length	R p	0.14 0.338	0.15 0.299	−0.01 0.953	−0.04 0.776	−0.25 0.085	−0.27 0.055	−0.13 0.381	0.05 0.707	−0.05 0.733	−0.10 0.484	0.08 0.578	0.03 0.856
Shoe forefoot width	R p	0.04 0.784	0.03 0.811	0.02 0.913	−0.05 0.749	−0.14 0.338	−0.18 0.206	−0.15 0.306	−0.03 0.827	−0.03 0.848	−0.06 0.673	0.07 0.606	−0.04 0.809
Shoe heel width	R p	0.03 0.815	0.02 0.901	0.10 0.476	0.08 0.585	−0.08 0.603	0.02 0.899	0.20 0.170	0.19 0.183	0.04 0.765	0.03 0.822	0.09 0.518	−0.11 0.463
Heel height	R p	0.01 0.921	0.03 0.834	0.09 0.557	0.05 0.730	−0.25 0.084	−0.24 0.095	−0.08 0.583	−0.06 0.672	0.04 0.759	0.02 0.914	0.00 0.981	−0.02 0.914
Heel cushioning	R p	−0.03 0.839	−0.04 0.797	−0.01 0.941	−0.01 0.965	0.05 0.714	0.11 0.437	−0.07 0.648	0.33^* 0.021	−0.03 0.843	0.03 0.853	−0.07 0.611	−0.07 0.645
Forefoot cushioning	R p	−0.18 0.200	−0.19 0.185	0.18 0.198	0.11 0.434	−0.05 0.710	−0.05 0.727	0.01 0.960	0.34^* 0.015	0.06 0.686	0.20 0.174	0.10 0.493	0.16 0.254
Arch height	R p	−0.10 0.485	−0.10 0.478	0.11 0.437	0.02 0.883	0.11 0.431	0.18 0.199	0.15 0.294	0.31^* 0.029	−0.13 0.373	0.10 0.476	0.21 0.140	0.16 0.264
Mediolateral control	R p	−0.14 0.337	−0.13 0.368	0.00 0.982	−0.09 0.546	0.00 0.982	−0.01 0.930	0.01 0.957	0.06 0.683	0.23 0.107	0.21 0.151	0.02 0.868	−0.02 0.882
Overall comfort	R p	0.09 0.513	0.10 0.480	0.24 0.087	0.05 0.709	−0.01 0.958	0.02 0.864	0.03 0.840	0.16 0.257	−0.06 0.665	0.09 0.545	0.08 0.573	−0.02 0.911
Material properties of footwear	R p	0.07 0.650	0.08 0.584	0.09 0.516	0.07 0.620	0.21 0.152	0.25 0.077	0.00 0.992	0.25 0.081	−0.08 0.596	0.11 0.459	0.05 0.755	0.03 0.852

Notes.

L_r, foot length of the right foot; L_l, foot length of the left foot; W_r, foot width of the right foot; W_l, foot width of the left foot; Cl_r, Clarke’s angle of the right foot; Cl_l, Clarke’s angle of the left foot; γ_r, heel angle of the right foot; γ_l, heel angle of the left foot; α_r, hallux valgus angle of the right foot; α_l, hallux valgus angle of the left foot; β_r, angle of the varus deformity of the 5th digit (β) of the right foot; β_l, angle of the varus deformity of the 5th digit (β) of the left foot; R, Spearman’s rank correlation coefficient; p, probability value.

α = 0.05.