Table 2.
Comparisons of Psychosocial Variables Between Purging Disorder using Different Definitions and a Non-Eating Disorder Comparison Group
| Definition | Frequency | Satisfaction with Relationships | Satisfaction with School | Perfectionism | Cigarette Use1 | Alcohol Use1 | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| t (df) | d | t (df) | d | t (df) | d | t (df) | d | t (df) | d | ||
| Purging | 2/wk | −2.19 (933)* | −1.27 | −3.67 (11.33)** | −.68 | 3.92 (2054)*** | 1.14 | .94 (2061) | .27 | −.13 (2045) | −.04 |
|
| |||||||||||
| Purging | 1/wk | −3.43 (936)*** | −1.40 | −2.08 (2019)* | −.50 | 4.02 (2059)*** | .98 | .89 (2066) | .22 | .15 (2050) | .04 |
|
| |||||||||||
| CB | 2/wk | −1.82 (602) | −.43 | −1.20 (1326) | −.17 | 2.79 (1334)** | .40 | 1.48 (50.48) | .33 | .58 (1336) | .08 |
|
| |||||||||||
| CB | 1/wk | −1.40 (608) | −.29 | −1.74 (68.07) | −.25 | 2.47 (1349)* | .31 | 1.58 (66.51) | .31 | .69 (1351) | .09 |
1
Analyses for cigarette and alcohol use utilized square-root transformed values to correct for negative skew
Note: Purging includes self-induced vomiting, laxative abuse, or diuretic abuse to influence weight; CB = Compensatory behavior, including purging, diet pill use, fasting, and compulsive exercise; positive effect sizes indicate that the diagnostic group scored higher on the scale than the non-ED comparison group.
*
p < .05
**
p < .01
***
p < .001