Table 3 Responsiveness, reality, and ceiling and floor effects of SF-36 scales
QOL measures: SF-36 scales | Lowest possible score (floor) (%) | Highest possible score (ceiling) (%) | Cronbach α | ES |
|---|---|---|---|---|
Physical function | 4 (3.03) | 1 (0.76) | 0.85 | 0.91 |
Role-physical | 13 (9.85) | 3 (2.27) | 0.83 | 0.93 |
Bodily pain | 2 (1.51) | 3 (2.27) | 0.80 | 0.57 |
General health | 0 | 1 (0.76) | 0.81 | 0.79 |
Vitality | 2 (1.51) | 1 (0.76) | 0.81 | 0.73 |
Social function | 1 (0.76) | 2 (1.51) | 0.79 | 0.74 |
Role-emotional | 21 (15.9) | 7 (5.30) | 0.73 | 0.82 |
Mental health | 1 (0.76) | 4 (3.03) | 0.75 | 0.77 |