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

Table 5. Relationships of foot structure features with subjective assessment of footwear comfort in men.

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	0.04 0.756	0.02 0.866	0.12 0.402	0.07 0.648	0.01 0.971	−0.12 0.396	−0.05 0.731	0.05 0.722	0.11 0.444	0.21 0.140	0.22 0.134	0.07 0.609
Shoe forefoot width	R p	0.17 0.244	0.14 0.319	0.26 0.064	0.23 0.106	0.10 0.496	−0.07 0.638	0.06 0.669	−0.02 0.885	0.12 0.420	0.19 0.185	0.14 0.347	0.07 0.615
Shoe heel width	R p	0.04 0.804	0.04 0.785	0.12 0.413	0.14 0.331	−0.20 0.173	−0.22 0.117	−0.04 0.807	0.00 0.981	0.08 0.596	0.07 0.647	0.21 0.152	0.01 0.969
Heel height	R p	0.11 0.439	0.11 0.453	0.16 0.263	0.08 0.580	−0.21 0.151	−0.29^* 0.043	−0.10 0.487	−0.10 0.497	0.01 0.960	0.01 0.941	0.25 0.075	0.07 0.630
Heel cushioning	R p	−0.03 0.839	−0.02 0.875	0.16 0.253	0.15 0.286	−0.14 0.349	−0.14 0.337	0.14 0.348	0.13 0.360	0.12 0.425	0.01 0.966	0.17 0.237	−0.02 0.877
Forefoot cushioning	R p	−0.06 0.661	−0.05 0.743	0.12 0.393	0.11 0.434	−0.18 0.220	−0.17 0.242	0.03 0.863	−0.04 0.801	0.01 0.922	−0.14 0.337	0.09 0.545	0.02 0.912
Arch height	R p	0.17 0.248	0.14 0.335	0.29^* 0.044	0.18 0.218	−0.03 0.862	−0.12 0.420	−0.06 0.704	0.04 0.770	−0.01 0.934	−0.09 0.549	0.13 0.385	0.00 0.983
Mediolateral control	R p	−0.04 0.806	−0.07 0.654	0.08 0.591	0.02 0.891	−0.06 0.701	−0.20 0.166	−0.01 0.967	0.03 0.816	0.22 0.128	0.14 0.347	0.01 0.942	−0.06 0.692
Overall comfort	R p	0.05 0.728	0.03 0.821	0.12 0.424	0.11 0.436	0.16 0.282	0.01 0.922	−0.01 0.959	0.01 0.948	0.01 0.930	0.12 0.409	0.07 0.606	0.05 0.748
Material properties of footwear	R p	0.10 0.477	0.08 0.570	0.13 0.362	0.03 0.819	−0.10 0.501	−0.11 0.441	0.05 0.737	0.08 0.581	−0.01 0.941	−0.01 0.921	−0.01 0.938	−0.09 0.523

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.