Table 1 Rasch model: Item measure, SE, fit statistics and item-total correlations of the social maladjustment domain
Social maladjustment | ||||||
|---|---|---|---|---|---|---|
Item a | Content | δ | SE | Infit | Outfit | r t |
(1) RB12 | Do you fast for a day, although you feel hungry? | 1.54 | 0.07 | 1.17 | 0.92 | 0.58 |
(2) RB13 | Do you skip some meals, although you feel hungry? | 0.56 | 0.05 | 1.33 | 1.12 | 0.69 |
(3) RB15 | Do you avoid eating with others? | 0.48 | 0.05 | 1.12 | 1.19 | 0.61 |
(10) SOCR56 | Do you think that your eating habits negatively affect your personal relationship or the possibility of finding one? | 0.23 | 0.05 | 1.21 | 1.16 | 0.63 |
(9) SOCR54 | To what extent do your concerns about eating negatively affect your family relationship (talking less, discussing more, diminished confidence?) | 0.12 | 0.05 | 1.03 | 1.17 | 0.62 |
(8) BI28 | Do you avoid situations in which others can see your body, for example, in the gym, the pool, or on the beach? | -0.01 | 0.05 | 1.26 | 1.23 | 0.70 |
(4) BI24 | In general, do you feel fat, despite the fact that other people (family, friends, doctors, etc.) tell you otherwise? | -0.40 | 0.05 | 0.83 | 0.80 | 0.81 |
(5) BI25 | Do you think that some parts of your body, for example, hips, waist or thighs, are too big or wide compared with the rest of your body? | -0.52 | 0.05 | 0.95 | 0.89 | 0.78 |
(6) BI26 | Do you worry about your weight? | -0.92 | 0.05 | 0.82 | 0.80 | 0.79 |
(7) BI27 | Do you worry about possibly gaining weight? | -1.09 | 0.06 | 0.77 | 0.84 | 0.78 |