TABLE 5.
Meta‐analyses: statistically significant effect sizes.
| Outcome | Effect size SMD = g (95% CI) I 2% | GRADE rating |
|---|---|---|
| Prevention studies: At‐risk patients | ||
| EDE‐Q | ||
| Eating disorder | ||
| Cognitive symptoms | ||
| Restraint | −0.41 (−0.80, −0.02) 75 | Very low |
| Weight concern | −0.31 (−0.57, −0.06) 50 | Very low |
| Global score | −0.46 (−0.82, −0.09) 79 | Very low |
| EDI/EDI (2) | ||
| Drive for thinness | −0.45 (−0.61, −0.28) 26 | Low |
| WCS | −0.47 (−0.82, −0.11) 80 | Very low |
| Treatment studies: (Bulimia nervosa [BN] and binge‐eating disorder [BED] patients) | ||
| EDE‐Q | ||
| Eating disorder | ||
| Cognitive symptoms | ||
| Eating concern | −0.99 (−1.34, −0.63) NA | Very low |
| Weight concern | −1.11 (−1.47, −0.75) NA | Very low |
| Shape concern | −0.65 (−1.29, −0.01) 80 | Very low |
| Global score | −0.70 (−1.22, −0.17) 77 | Very low |
| EDE‐Q | ||
| Behavioural items | ||
| Binge rate | −0.66 (−1.11, −0.22) 69 | Very low |
| EDI/EDI (2) | ||
| Bulimia | −0.85 (−1.33, −0.37) NA | Very low |
| Interoceptive awareness | −0.51 (−0.97, −0.05) NA | Very low |
| BDI/CES‐D | −0.47 (−0.74, −0.20) 0 | Very low |
| SCL‐90R | −0.30 (−0.57, −0.03) 0 | Very low |
| Relapse prevention study: (Anorexia nervosa [AN] and related eating disorder not otherwise specified [EDNOS] patients) | ||
| EDI/EDI (2) | ||
| Maturity fears | −0.43 (−0.70, −0.16) NA | Low |
| Social insecurity | −0.29 (−0.56, −0.03) NA | Low |
Note: The bold values indicates the effect sizes (SMD with 95% CI).
Abbreviations: 95% CI, 95% confidence interval; BDI/BDI‐2, Beck depression inventory (Beck et al., 1988); CES‐D, Centre for Epidemiological Studies Depression scale (Orme et al., 1986); EDE‐Q, eating disorder examination questionnaire (Fairburn & Beglin, 1994); EDI/EDI‐2, eating disorder inventory (Garner & Olmsted, 1984); GRADE, grades of recommendation, assessment, development and evaluation ratings; I 2, extent of heterogeneity (inconsistency between studies); NA, not applicable; SMD, standardised mean difference, in this case, Hedges' (adjusted) g; SCL‐90R (GSI), Symptom checklist 90R, general symptom index score–general psychopathology/anxiety (Derogatis, 1975); WCS, weight concern scale (Killen et al., 1994).