Table 3 Convergent (discriminant)validity. Mutitrait-multimethod (MTMM) correlation matrix illustrating the correlation of the different measures at baseline, missing data excluded pairwise for each comparison (n = 488)
MHQ (overall) | MHQ (hand function both) | EQ-5D (utility) | EQ-5D (VAS) | SF-12 (PCS) | SF-12 (MCS) | SF-6D | |
|---|---|---|---|---|---|---|---|
MHQ | 1 | ||||||
EQ-5D (utility) | 0.65 | 0.48 | 1 | ||||
EQ-5D (VAS) | 0. 51 | 0. 42 | 0. 57 | 1 | |||
SF-12 (PCS) | 0. 59 | 0. 46 | 0. 61 | 0. 56 | 1 | ||
SF-12 (MCS) | 0. 32 | 0. 23 | 0. 42 | 0. 40 | 0. 25 | 1 | |
SF-6D | 0.63 | 0.42 | 0.68 | 0.58 | 0.70 | 0.67 | 1 |