Table 1.
Descriptive statistics of demographic and psychological factors in both samples. Means and standard deviations or percentages as appropriate are presented
| Variables | Community sample | Clinical sample | Effect size |
|---|---|---|---|
| M (SD) | |||
| Age (in years) | 14.69 (1.39)* | 16.62 (1.56)* | d = 1.31 |
| BMI-percentile | 52.36 (30.63)* | 39.73 (29.69)* | d = 0.42 |
| Weight/shape concerns | 1.69 (1.80)* | 4.45 (1.58)* | d = 1.63 |
| Emotion Dysregulation | 2.25 (0.78)* | 3.13 (0.76)* | d = 1.13 |
| Binge Eating Frequency (past 28 days) | 2.79 (6.08)* | 6.03 (9.03)* | d = 0.42 |
| Purging Frequency (past 28 days) | 0.43 (2.48)* | 3.62 (7.06)* | d = 0.53 |
| Driven Exercise Frequency (past 28 days) | 2.89 (6.71) | 3.22 (7.05) | d = 0.05 |
| Fasting Frequency (past 28 days) | 0.40 (0.93)* | 1.60 (2.06)* | d = 0.75 |
| N (%) | |||
| Gender (% female) | 52.2* | 96.0* | V = 0.41 |
| Binge Eating Presence (% yes) | 37.2* | 52.3* | V = 0.07 |
| Purging Presence (% yes) | 9.4* | 40.9* | V = 0.22 |
| Driven Exercise Presence (% yes) | 30.5 | 29.5 | V = 0.01 |
| Fasting Presence (% yes) | 22.5* | 53.7* | V = 0.16 |
Un-winsorized results are reported. Benjamini–Hochberg corrected critical value = 0.02. Significant associations are indicated (*)