Table 4.
Mean endorsement of behavioral indicators across BED, BN, and Control groups defined by the once-weekly and twice-weekly frequency threshold.
| BED vs BN vs Controls (1x/week) | BED (n=164) | BN (n=83) | Controls (n=669) | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | M | SD | F | η2 | |
| Eating much more rapidly than usual | 3.52 | .93 | 3.49 | .87 | 2.63 | .97 | 2.87 | 1.03 | 77.01 | .14 |
| Eating until uncomfortably full | 3.66 | .76 | 3.70 | .78 | 2.73 | .83 | 2.98 | .92 | 121.59 | .21 |
| Eating large amounts when not physically hungry | 3.74 | .70 | 3.73 | .78 | 2.41 | .94 | 2.77 | 1.06 | 200.70 | .31 |
| Eating alone because embarrassed | 3.14 | 1.22 | 3.36 | 1.28 | 1.67 | .89 | 2.08 | 1.21 | 217.37 | .32 |
| Feeling disgusted, depressed, or guilty afterward | 4.12 | .86 | 4.44 | .63 | 2.56 | 1.15 | 3.01 | 1.30 | 222.39 | .33 |
| BED vs BN vs Controls (2x/week) | BED (n=81) | BN (n=40) | Neither (n=669) | Total | ||||||
| M | SD | M | SD | M | SD | M | SD | F | η2 | |
| Eating much more rapidly than usual | 3.54 | 1.00 | 3.90 | .84 | 2.63 | .97 | 2.79 | 1.04 | 60.32 | .13 |
| Eating until uncomfortably full | 3.86 | .75 | 3.90 | .74 | 2.73 | .83 | 2.90 | .92 | 99.87 | .20 |
| Eating large amounts when not physically hungry | 3.90 | .70 | 3.98 | .77 | 2.41 | .94 | 2.65 | 1.06 | 142.62 | .27 |
| Eating alone because embarrassed | 3.45 | 1.15 | 3.63 | 1.26 | 1.67 | .89 | 1.94 | 1.15 | 193.68 | .33 |
| Feeling disgusted, depressed, or guilty afterward | 4.26 | .85 | 4.45 | .60 | 2.56 | 1.15 | 2.83 | 1.27 | 131.62 | .25 |
Note. Scores reflect Likert scale where 1=never, 2=rarely, 3=sometimes, 4=often, 5=always. Post-hoc Scheffe tests found that for all variables, both BED and BN significantly differed from controls at p<.001; BED and BN did not significantly differ on any variable.