Table 3 Individual item fit statistics for WHO-5 and PWB-6 (n = 216)
From: The assessment of psychological well-being in systemic sclerosis: a clinimetric validation
Item | Location | Fit residual | χ2 | Probability* |
|---|---|---|---|---|
WHO-5 | ||||
WHO item 1 | -0.019 | 0.042 | 4.748 | 0.093 |
WHO item 2 | -0.074 | -0.168 | 3.076 | 0.215 |
WHO item 3 | 0.142 | -0.294 | 1.972 | 0.373 |
WHO item 4 | 0.450 | 0.053 | 3.095 | 0.213 |
WHO item 5 | -0.499 | 2.155 | 7.205 | 0.027 |
PWB-6 | ||||
PWB item 1 | 0.382 | 0.024 | 1.602 | 0.449 |
PWB item 2 | -0.126 | 1.016 | 1.002 | 0.606 |
PWB item 3 | -0.025 | 1.327 | 1.790 | 0.409 |
PWB item 4 | 0.029 | -0.426 | 6.567 | 0.038 |
PWB item 5 | 0.060 | 0.836 | 0.595 | 0.743 |
PWB item 6 | -0.320 | -0.197 | 1.378 | 0.502 |