Table 3 Correlation between subjects factors and first six PCs
From: Three-dimensional quantitative analysis of healthy foot shape: a proof of concept study
Sex ρ (p) | Age ρ (p) | Shoe size ρ (p) | Frequency of sport activity ρ (p) | BMI ρ (p) | Foot asymmetry ρ (p) | Foot loading ρ (p) | |
|---|---|---|---|---|---|---|---|
PC1 | 0.72*(0.001) | -0.019 (0.761) | 0.60*(< 0.001) | 0.19*(0.002) | 0.0574 (0.368) | -0.0253 (0.691) | -0.26*(< 0.001) |
PC2 | -0.33*(< 0.001) | 0.2246*(< 0.001) | -0.23*(0.002) | -0.0452 (0.478) | 0.16*(0.011) | 0.045 (0.480) | 0.14*(0.024) |
PC3 | 0.0113 (0.860) | -0.122 (0.054) | 0.17*(0.008) | 0.24*(< 0.001) | -0.53*(< 0.001) | 0.0871 (0.171) | 0.06578 (0.302) |
PC4 | -0.067 (0.291) | -0.1164 (0.067) | 0.00789 (0.901) | 0.0174 (0.785) | -0.13*(0.033) | 0.08831 (0.166) | 0.26*(< 0.001) |
PC5 | 0.01847 (0.772) | -0.0192 (0.764) | -0.0363 (0.570) | -0.0887 (0.164) | 0.17*(0.007) | 0.14*(0.025) | 0.06364 (0.318) |
PC6 | 0.0018 (0.978) | -0.0068 (0.915) | -0.06156 (0.334) | -0.23*(< 0.001) | 0.01258 (0.844) | -0.24*(< 0.001) | 0.05232 (0.412) |