Demographic data in patients with bulimia nervosa and healthy controls
| Characteristic | Group; mean ± SD | t | p value | |
|---|---|---|---|---|
| Bulimia nervosa | Control | |||
| Age, yr | 22.0 ± 3.4 | 23.1 ± 3.4 | −1.507 | 0.14 |
| Education, yr | 14.1 ± 1.9 | 14.6 ± 1.7 | −1.315 | 0.19 |
| BMI, kg/m2 | ||||
| Current | 21.0 ± 2.6 | 20.5 ± 1.4 | 1.125 | 0.26 |
| Lowest previous | 17.9 ± 2.3 | — | — | — |
| Highest previous | 25.2 ± 4.3 | — | — | — |
| Duration of illness, yr | 2.0 ± 1.3 | — | — | — |
| EDI-1 score | ||||
| Drive for thinness | 35.2 ± 7.2 | 19.4 ± 6.3 | 7.388 | < 0.001 |
| Bulimia | 34.0 ± 5.8 | 13.0 ± 5.0 | 12.086 | < 0.001 |
| Body dissatisfaction | 41.9 ± 8.8 | 27.1 ± 7.1 | 5.725 | < 0.001 |
| Interoceptive awareness | 38.4 ± 8.1 | 20.9 ± 6.5 | 7.418 | < 0.001 |
| HAMD-17 score | 6.7 ± 3.3 | 0.9 ± 1.0 | 11.013 | < 0.001 |
| HAM-A score | 5.1 ± 3.3 | 0.4 ± 0.7 | 9.405 | < 0.001 |
BMI = body mass index; EDI = Eating Disorder Inventory; HAM-A = Hamilton Anxiety Rating Scale; HAMD = Hamilton Rating Scale for Depression; SD = standard deviation.