Table 1.
Descriptive Statistics.
| Subsamples: Binge and/or Purge? | Mean Differences | ||||
|---|---|---|---|---|---|
|
Full Sample n = 82 |
No n = 41 |
Yes n = 41 |
With vs. Without Binge or Purge |
||
| F (df) | Cohen's d | ||||
| Eating Disorder Symptoms | |||||
| Binge Eating Episodes (Per Day) | |||||
| Mean (SD) | 0.15 (0.44) | -- | 0.32 (0.60) | -- | -- |
| Range | 0-4 | -- | 0-4 | -- | -- |
| Purging Episodes (Per Day) | |||||
| Mean (SD) | 0.29 (0.74) | -- | 0.60 (0.99) | -- | -- |
| Range | 0-7 | -- | 0-7 | -- | -- |
| Negative Affect | |||||
| PANAS Negative Affect | |||||
| Mean (SD) | 18.37 (8.13) | 14.79 (6.11) | 21.66 (8.37) | 212.96*** | .82 |
| Range | 8-40.00 | 8-38.17 | 8-40 | (1, 1220) | |
| Negative Urgency | |||||
| UPPS-R Negative Urgency | |||||
| Mean (SD) | 2.47 (0.63) | 2.27 (0.51) | 2.67 (0.68) | 130.72*** | .64 |
| Range | 1.25-3.83 | 1.33-3.75 | 1.25-3.83 | (1, 1220) | |
Note: PANAS = Positive and Negative Affect Schedule; UPPS-R = UPPS Impulsive Behavior Scale-Revised; Participants “without binge or purge” = no reported episodes of binge eating or purging during the duration of the EMA ratings. Participants “with binge and/or purge” = reported at least one episode of binge eating and/or purging during the duration of the EMA ratings (binge eating only, n = 11, purging only, n = 7, both binge eating and purging, n = 23).
***
p < .001