From: Measurement precision of the disability for back pain scale-by applying Rasch analysis
Item | Difficulty logit | SE logit | Infit MNSQ | Outfit MNSQ |
---|---|---|---|---|
ODI 2: Personal care | 0.84 | 0.05 | 0.87 | 0.89 |
ODI 7: Sleeping | 0.61 | 0.06 | 1.40 | 1.49 |
ODI 5: Sitting | 0.34 | 0.05 | 1.29 | 1.39 |
ODI 4: Walking | 0.26 | 0.05 | 0.77 | 0.75 |
ODI 1: Pain intensity | −0.10 | 0.06 | 1.26 | 1.21 |
ODI 9: Social life | −0.17 | 0.05 | 0.80 | 0.78 |
ODI 8: Sex life | −0.32 | 0.07 | 1.03 | 1.06 |
ODI 6: Standing | −0.48 | 0.05 | 0.79 | 0.75 |
ODI 10: Traveling | −0.48 | 0.05 | 0.74 | 0.71 |
ODI 3: Lifting | −0.49 | 0.05 | 1.14 | 1.20 |