Table 2.
Changes in the frequency of objective binge and purging episodes from pre- to post–internet-based cognitive behavioral therapy.
| Episode and assessment time point | n | Mean (SD) | Cohen d (n=5) | 95% CI | P value | |
| Combined objective binge eating and purging episodes | — | — | –0.76 | –2.09 to 0.58 | .17 | |
|
|
Assessment | 7 | 72.6 (45.7) |
|
|
|
|
|
Week 1 | 7 | 47.0 (45.6) | — | — | — |
|
|
Week 8 | 7 | 29.2 (40.9) |
|
|
|
|
|
Week 16 | 5 | 13.6 (22.6) | — | — | — |
| Objective binge eating episodes | — | — | –0.82 | –2.18 to 0.53 | .14 | |
|
|
Assessment | 7 | 32.6 (15.8) |
|
|
|
|
|
Week 1 | 7 | 29.2 (40.9) | — | — | — |
|
|
Week 8 | 6 | 9.7 (11.9) |
|
|
|
|
|
Week 16 | 5 | 6.8 (11.3) | — | — | — |
| Purging episodes | — | — | –0.70 | –2.01 to 0.62 | .19 | |
|
|
Assessment | 7 | 40.0 (31.5) |
|
|
|
|
|
Week 1 | 7 | 13.6 (22.6) | — | — | — |
|
|
Week 8 | 6 | 19.5 (31.6) |
|
|
|
|
|
Week 16 | 5 | 6.8 (11.3) | — | — | — |