EQ-5D-3L items | % agreement | % under-estimated | % over-estimated | Kappa (95 % CI) | Test of symmetry | PABAK*(95 % CI) |
---|---|---|---|---|---|---|
6 months (n = 7504) | ||||||
Mobility | 73.7 | 16.2 | 10.1 | 0.44 (0.42, 0.47) | <0.001 | 0.61 (0.59, 0.62) |
Self-care | 83.8 | 11.7 | 4.5 | 0.18 (0.15, 0.21) | <0.001 | 0.76 (0.74, 0.77) |
Usual activities | 66.5 | 24.9 | 8.6 | 0.38 (0.36, 0.40) | <0.001 | 0.50 (0.48, 0.51) |
Pain/discomfort | 65.0 | 16.9 | 18.2 | 0.38 (0.36, 0.40) | <0.001 | 0.47 (0.46, 0.49) |
Anxiety/depression | 73.5 | 15.5 | 11.0 | 0.42 (0.41, 0.44) | <0.001 | 0.60 (0.59, 0.62) |
12 months (n = 8722) | ||||||
Mobility | 76.6 | 13.7 | 9.8 | 0.47 (0.45, 0.49) | <0.001 | 0.65 (0.63, 0.66) |
Self-care | 86.1 | 10.0 | 3.9 | 0.19 (0.17, 0.22) | <0.001 | 0.79 (0.78, 0.80) |
Usual activities | 70.7 | 20.5 | 8.8 | 0.42 (0.40, 0.43) | <0.001 | 0.56 (0.55, 0.57) |
Pain/discomfort | 67.7 | 14.0 | 18.3 | 0.43 (0.41, 0.44) | <0.001 | 0.52 (0.50, 0.53) |
Anxiety/depression | 75.0 | 14.7 | 10.3 | 0.43 (0.41, 0.45) | <0.001 | 0.63 (0.61, 0.64) |