Table 2. Pairwise Correlations between Baseline Variables (n = 212 persons).
The table shows Spearman’s correlation coefficients for baseline covariables.
| Overall knee confidence (higher worse) |
Buckling confidence (higher better) |
Varus- valgus excursion during gait |
Varus- valgus angular velocity during gait |
Age | BMI | Self- efficacy (higher better) |
Depressive symptoms |
Knee extensor strength |
K/L grade |
Knee pain severity |
|
|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall knee confidence (higher worse) | 1.00 | −0.47 | −0.05 | −0.04 | −0.24 | 0.22 | −0.39 | 0.19 | −0.23 | 0.12 | 0.62 |
| Buckling confidence (higher better) | 1.00 | 0.10 | 0.05 | 0.26 | −0.23 | 0.31 | −0.13 | 0.27 | −0.12 | −0.51 | |
| Varus-valgus excursion during gait | 1.00 | 0.11 | 0.08 | −0.38 | 0.20 | −0.13 | 0.14 | 0.14 | −0.05 | ||
| Varus-valgus angular velocity during gait | 1.00 | 0.02 | 0.09 | 0.03 | −0.12 | −0.12 | 0.19 | −0.03 | |||
| Age | 1.00 | −0.15 | −0.01 | −0.24 | −0.22 | 0.19 | −0.26 | ||||
| BMI | 1.00 | −0.28 | 0.02 | −0.30 | 0.17 | 0.28 | |||||
| Self-efficacy (higher better) | 1.00 | −0.18 | 0.48 | −0.08 | −0.44 | ||||||
| Depressive symptoms | 1.00 | 0.00 | −0.15 | 0.17 | |||||||
| Knee extensor strength | 1.00 | −0.19 | −0.28 | ||||||||
| K/L grade | 1.00 | 0.04 | |||||||||
| Knee pain severity | 1.00 |