Table 3. Estimated Effects of Intervention on Eating Disorder Risk Factors and Comorbidities.
| Intercept* (SE) | β (Intervention)** (SE) | t-score for β (Intervention) (df ≈ 201) | Effect size (d); p-value | |
|---|---|---|---|---|
| WCS | -8.31 (2.05) | -1.29 (2.86) | -0.45 | 0.08; .653 |
| EDE-Q | ||||
| Restraint | -0.41 (0.12) | -0.41 (0.17) | -2.37 | 0.36; .019 |
| Eating Concern | -0.29 (0.09) | -0.22 (0.13) | -1.72 | 0.22; .088 |
| Shape Concern | -0.56 (0.11) | -0.25 (0.16) | -1.54 | 0.20; .124 |
| Weight Concern | -0.66 (0.10) | -0.33 (0.15) | -2.21 | 0.27; .028 |
| Global Score | -0.48 (0.09) | -0.29 (0.13) | -2.32 | 0.31; .021 |
| EDI | ||||
| Perfectionism | -0.08 (0.07) | -0.01 (0.11) | -0.11 | 0.01; .915 |
| Drive for Thinness | -0.40 (0.07) | -0.21 (0.11) | -1.98 | 0.24; .049 |
| CIA | -4.26 (0.70) | 0.43 (0.99) | 0.44 | -0.11; .661 |
| COPE | ||||
| Active Coping | 0.50 (0.14) | -0.32 (0.20) | -1.59 | 0.21; .114 |
| Positive Coping | 0.36 (0.13) | -0.41 (0.21) | -1.97 | -0.24; .048 |
| Emotional Coping | -0.05 (0.16) | 0.49 (0.22) | 2.24 | 0.27; .026 |
| Subst. Use Coping | 0.30 (0.10) | -0.53 (0.18) | -2.99 | 0.42; .003 |
| BDI-II | -2.2 (0.63) | 0.54 (0.90) | 0.60 | 0.06; .549 |
| STAI | ||||
| State | -2.21 (0.87) | 0.74 (1.17) | 0.63 | -0.08; .528 |
| Trait | -2.11 (0.86) | 0.19 (1.13) | 0.17 | -0.02; .863 |
| Binge Drinking Episodes | ||||
| Binges, in last month | -0.09 (0.23) | -0.30 (0.30) | -1.02 | -0.11; .311 |
| BMI | -0.15 (0.22) | -0.02 (0.28) | -0.07 | 0.00; .947 |
Note.WCS: Weight Concerns Scale; EDE-Q: Eating Disorder Examination - Questionnaire; EDI: Eating Disorder Inventory; CIA: Clinical Impairment Assessment; COPE: Brief Coping scales; BDI-II: Beck Depression Inventory-II; STAI: State-Trait Anxiety Inventory; BMI: Body Mass Index
*
Intercept = Control group average difference between post-intervention assessment scores and baseline score, adjusted for baseline COPE substance use scores, study site, and baseline WCS scores.
**
β (Intervention) = Additive effect of intervention on average difference between post-intervention assessment scores and baseline score, adjusted for baseline COPE substance use scores, study site, and baseline WCS scores.