Table 4.
Item Fit Statistics for PROMIS General Life Satisfaction SF5a.
| Item | Measure (SE) | Infit | Outfit | ||
|---|---|---|---|---|---|
| MnSq | Zstd | MnSq | Zstd | ||
| If I could live my life over, I would change almost nothing. | 0.89 (0.04) | 1.30 | 4.74 | 1.33 | 4.82 |
| So far, I have gotten the important things I want in life. | 0.05 (0.04) | 1.03 | 0.51 | 1.04 | 0.65 |
| In most ways, my life is close to perfect. | 0.18 (0.04) | 0.86 | −2.63 | 0.87 | −2.21 |
| My life situation is excellent. | −0.46 (0.04) | 0.87 | −2.30 | 0.86 | −2.41 |
| My life is just right. | −0.67 (0.04) | 0.84 | −2.02 | 0.78 | −3.88 |
Item fit statistics shows the 4 items that fitted the scale with the underfit item measurement in bold.