Table 6.
Means, SDs and Cohen’s d effect sizes for EBQ-18 scores at pre and post treatment.
| Sample | EBQ-18 Total Score Mean (SD) | Negative Beliefs Mean (SD) | Positive Beliefs Mean (SD) | Permissive Beliefs Mean (SD) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pre | Post | d | Pre | Post | d | Pre | Post | d | Pre | Post | d | |
| All Treatment (n = 38) | 49.24 (18.73) | 40.11 (14.76) | 0.54 | 18.21 (7.57) | 14.18 (6.27) | 0.58 | 17.50 (7.59) | 14.82 (6.46) | 0.38 | 13.53 (5.89) | 11.16 (4.43) | 0.45 |
| BN/BED (n = 17) | 63.47 (10.14) | 51.30 (9.48) | 1.24 | 22.88 (5.11) | 17.94 (5.30) | 0.95 | 22.41 (5.29) | 19.53 (4.17) | 0.60 | 18.17 (4.73) | 13.94 (3.47) | 1.02 |
EBQ-18 = Eating Beliefs Questionnaire 18-item version, SD = standard deviation, BN/BED = Combined bulimia nervosa and binge eating disorder subgroup sample, d = Cohen’s d effect size.