Table 5 Items positive for Differential Item Functioning (DIF), based on sex, age, socioeconomic status, and health status
From: Colombian Rasch validation of KIDSCREEN-27 quality of life questionnaire
Version: | Sex | Age | Socioeconomic status | Health status |
|---|---|---|---|---|
Female/male | 8–11/12–18 | high/low | Healthy/Ill | |
Item (DIF) | Item (DIF) | Item (DIF) | Item (DIF) | |
Parents | None | 3 (0.57)** | 12 (−0.56)* | 1 (0.66)* |
18 (0.57)* | ||||
19 (0.70)* | ||||
Children | None | None | 9 (−0.58)* | 1 (0.91)* |
10 (−0.82)* | ||||
11 (0.59)* |