Table 3.
Differences between patients with and without comorbidity according to clinical evaluation.
| Comorbidity (n = 24) |
No Comorbidity (n = 54) |
Test Statistics | |||
|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | z | p | Cohen’s d | |
| Age | 28.2 (12.2) | 23.5 (6.7) | −1.141 | 0.254 | 0.440 |
| Years of illness | 7.3 (7.5) | 5.7 (6.4) | −1.246 | 0.213 | 0.226 |
| BMI | 14.9 (2.3) | 15.2 (2.9) | 0.318 | 0.751 | 0.116 |
| EDE-Q restraint | 3.8 (1.9) | 3.1 (2.0) | −1.248 | 0.212 | 0.336 |
| EDE-Q eating concerns | 3.6 (1.7) | 2.8 (1.4) | −2.521 | 0.012 | 0.554 |
| EDE-Q shape concerns | 4.4 (1.6) | 3.9 (1.5) | −1.252 | 0.210 | 0.305 |
| EDE-Q weight concerns | 4.1 (1.6) | 3.3 (1.9) | −1.626 | 0.104 | 0.422 |
| EDE-q global score | 3.9 (1.6) | 3.3 (1.5) | −1.770 | 0.077 | 0.397 |
| STAI-state | 61.6 (11.7) | 53.7 (13.2) | −2.261 | 0.024 | 0.611 |
| STAI-trait | 60.6 (10.1) | 55.6 (16.7) | −1.164 | 0.244 | 0.400 |
| BDI | 20.0 (7.7) | 15.6 (10.4) | −2.486 | 0.013 | 0.520 |
BMI = Body Mass Index; EDE-Q = Eating Disorder Examination Questionnaire; STAI = State-Trait Anxiety Inventory; BDI = Beck Depression Inventory. Cohen’s d values: negligible effect: d = −0.15–0.15; small effect: d = 0.15–0.40; medium effect: d = 0.40–0.75; large effect: d = 0.75–1.10; very large effect: d = 1.10–1.45; huge effect: d = 1.45.