Item | Item Spread at Logit 0 | Item level fit Chi Squared (P-value) | Differential Item Functioning (DIF) | Residual | SRM | Disordered thresholds | Missing Data (%) | Floor effects (%) | Ceiling effects (%) | Strong correlations with other items | Concerns from PPI reps | Concerns from CARIES-QC development |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hurt | 1.605 | 5.142 (0.076) | ✘ | −0.757 | 0.61 | ✘ | ✓ (1.5) | ✓ (17% ‘a lot’) | ✓ (31% ‘not at all’) | ✓ (annoy) | ✘ | ✘ |
Hard to eat | 1.585 | 1.288 (0.525) | ✓ (agea and genderb) | 0.048 | 0.30 | ✘ | ✓ (2) | ✘ | ✓ (43% ‘not at all’) | ✓ (carefully) | ✘ | ✘ |
Eating on one side | 0.858 | 0.868 (0.648) | ✓ (ageb) | −0.793 | 0.33 | ✘ | ✓ (2.5) | ✓ (25% ‘a lot’) | ✓ (37% ‘not at all’) | ✓ (annoy; carefully) | ✓ | ✘ |
Food stuck | 1.632 | 6.646 (0.036) | ✓ (ethnicitya, b) | 0.661 | 0.68 | ✘ | ✓ (2) | ✓ (32% ‘a lot’) | ✘ | ✘ | ✓ | ✓ |
Kept awake | 1.202 | 0.612 (0.736) | ✘ | −0.393 | 0.39 | ✘ | ✓ (1.5) | ✘ | ✓ (67% ‘not at all’) | ✓ (annoy) | ✘ | ✘ |
Feeling annoyed | 1.174 | 8.699 (0.013) | ✘ | −1.802 | 0.93 | ✘ | ✓ (2) | ✓ (18% ‘a lot’) | ✓ (40% ‘not at all’) | ✓ (hurt; one side; kept awake; carefully; cross) | ✘ | ✘ |
Hurt when brushing | 0.913 | 1.362 (0.506) | ✓ (ethnicityb) | 0.379 | 0.49 | ✘ | ✓ (0.5) | ✘ | ✓ (57% ‘not at all’) | ✘ | ✓ | ✘ |
Eat more carefully | 1.019 | 4.367 (0.113) | ✘ | −1.801 | 0.38 | ✘ | ✘ | ✓ (18% ‘a lot’) | ✓ (43% ‘not at all’) | ✓ (hard to eat; one side; annoy; slowly) | ✘ | ✘ |
Eat more slowly | 0.988 | 1.775 (0.412) | ✓(deprivationa) | −0.874 | 0.16 | ✘ | ✓ 0.5 | ✘ | ✓ (55% ‘not at all’) | ✓ (carefully) | ✓ | ✘ |
Feeling cross | 0.705 | 2.368 (0.306) | ✓ (agea and ethnicityb) | 0.130 | 0.51 | ✘ | ✘ | ✘ | ✓ (59% ‘not at all’) | ✓ (annoy) | ✓ | ✘ |
Cried | 1.466 | 4.237 (0.120) | ✘ | 1.112 | 0.44 | ✘ | ✘ | ✘ | ✓ (38% ‘not at all’) | ✘ | ✓ | ✘ |
Difficulty doing schoolwork | 0.894 | 1.339 (0.512) | ✓ (ethnicitya) | −0.536 | 0.09 | ✘ | ✓ (0.5) | ✘ | ✓ (82% ‘not at all’) | ✘ | ✓ | ✓ |