Table 2 Covariance and Spearman correlation coefficients

Self-care ← mobility

0.335

0.022

14.917

***

0.488**

Mobility ← daily life

0.323

0.022

14.745

***

0.476**

Mobility ← pain

0.341

0.023

14.941

***

0.478**

Mobility ← depression

0.320

0.023

14.078

***

0.448**

Self-care ← daily life

0.352

0.022

15.850

***

0.524**

Self-care ← pain

0.362

0.023

15.727

***

0.517**

Self-care ← depression

0.347

0.023

15.078

***

0.488**

Daily life ← pain

0.343

0.022

15.327

***

0.498**

Daily life ← depression

0.352

0.023

15.523

***

0.508**

Pain ← depression

0.349

0.023

14.949

***

0.482**