Table 1.
Item distribution (N = 1,444)
| EDY-Q items | M | SD | Skewness | Kurtosis | p m | r it |
|---|---|---|---|---|---|---|
| z-score | z-score | |||||
| Food avoidance | ||||||
| Food avoidance | 0.95 | 1.42 | 24.11 | 15.03 | 0.16 | 0.32 |
| Interest in food | 1.23 | 1.65 | 20.77 | 7.63 | 0.20 | 0.31 |
| Emotional food avoidance | 1.89 | 2.17 | 12.92 | −5.80 | 0.32 | 0.28 |
| Selective eating | ||||||
| Selective eating behaviour | 2.25 | 2.07 | 8.98 | −7.20 | 0.38 | 0.25 |
| Avoidance to try new foods | 1.88 | 2.05 | 11.91 | −5.68 | 0.31 | 0.33 |
| Sensory food avoidance | 1.89 | 1.98 | 12.47 | −4.47 | 0.32 | 0.39 |
| Functional Dysphagia | ||||||
| Fear of choking | 0.65 | 1.49 | 39.45 | 44.16 | 0.11 | 0.30 |
| Fear of swallowing | 0.28 | 0.98 | 66.68 | 153.02 | 0.05 | 0.25 |
| Weight problems | ||||||
| Underweight | 1.22 | 1.87 | 22.45 | 6.70 | 0.20 | 0.30 |
| Wish to gain weight | 0.68 | 0.04 | 38.33 | 37.51 | 0.11 | 0.23 |
EDY-Q, Eating Disturbances in Youth-Questionnaire [22]; M, mean value; SD, standard deviation; p m, item difficulty indices; r it, item-total correlations