Convergent validity | Spearman correlation (ρ) | |||||
---|---|---|---|---|---|---|
VASP | VAS DW | VAS ADL | SF 36 | |||
Physical Function | Pain | Role Physical | ||||
L1-pain or discomfort | 0.89 | 0.83 | 0.82 | |||
L2-maximum distance walked | 0.88 | 0.83 | 0.85 | |||
L3-activities of daily living | 0.90 | 0.88 | 0.90 | |||
LG- global score of LAI | 0.93 | 0.89 | 0.91 | |||
Divergent validity | ||||||
L1 | L2 | L3 | LG | |||
Mental health score of SF 36 | 0.36 | 0.43 | 0.44 | 0.43 |