Table 1.
Changes in Eating Disorder Attitudes, Mood, and BMI from baseline to post and one year follow-up
| N | Baseline | Post test | 12 months | Post test significance |
12 months significance |
||
|---|---|---|---|---|---|---|---|
| WCS | C | 199 | 62.7 (12.5) | 62.5 (13.4) | 56.4 (16.5) | F(1,386)=89.7, p<.001, d = .81 |
F(1,386)=16.1, p<.001, d = .42 |
| T | 192 | 60.5 (13.5) | 49.7 (15.9) | 48.8 (17.9) | |||
| Global EDE-Q | C | 201 | 2.7 (.9) | 2.6 (1.0) | 2.3 (1.0) | F(1,392)=76.7 p<.001, d =.70 |
F(1,392)=10.7, p=.001, d =.36 |
| T | 196 | 2.5 (1.0) | 1.9 (1.0) | 1.9 (1.1) | |||
| EDI Drive for thinness | C | 195 | 8.5(5.0) | 8.7(5.5) | 7.1(5.8) | F(1,383)=54.7, p=.001, d = .61 |
F(1,383)=17.1, p<.001, d = .39 |
| T | 193 | 8.1(5.3) | 5.2(5.2) | 5.0(5.2) | |||
| EDI Bulimia | C | 197 | 1.2(2.0) | 1.4(2.8) | 1.2(2.5) | F(1,386)=10.0, p=.002, d = .22 |
F(1,386)=2.5, p=.112, d = .11 |
| T | 194 | 1.3(2.4) | 0.9(1.5) | 0.9(2.2) | |||
| BMI* | C | 171 | 23.4 (2.6) | 23.5 (2.7) | 23.4 (2.8) | F (1,338) = 23, p =.65,d = 0.0 |
F (1,338) = .04, p =.83, d = −.04 |
| T | 172 | 23.5 (2.8) | 23.5 (3.1) | 23.5 (2.8) | |||
| CESD | C | 198 | 14.8 (9.0) | 14.8 (9.6) | 15.2 (11.7) | F(1,384)=1.2, p=.27, d = .16 |
F(1,384)=3.3, p=.07, d = .21 |
| T | 191 | 13.6 (8.9) | 13.2 (9.7) | 12.9 (9.8) | |||
Abbreviations: WCS = Weight and Shape Concerns, EDE-Q = Eating Disorder Examination-Questionnaire, CESD = Center for Epidemiology Scale-Depression, C = control, T = Treatment
*
BMI not collected for participants assessed by phone at follow-ups.