Table 1. Frequencies of Binge Eating and Purging Behavior across Waves.
| Behavior | Number of episodes in last 14 days | Frequencies | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Wave1 | Wave 2 | Wave 3 | Wave 4 | Wave 5 | Wave 6 | Wave 7 | Wave 8 | ||
| Binge Eating | None | 806 (85.9%) | 846 (90.2%) | 852 (90.8%) | 861 (91.8%) | 839 (89.4%) | 796 (84.9%) | 780 (83.2%) | 794 (84.6%) |
| 1 - 2 | 24 (2.6%) | 32 (3.4%) | 27 (2.9%) | 34 (3.6%) | 44 (4.7%) | 80 (8.5%) | 86 (9.2%) | 95 (10.1%) | |
| 3 - 4 | 75 (8.0%) | 30 (3.2%) | 32 (3.4%) | 28 (3.0%) | 31 (3.3%) | 38 (4.1%) | 32 (3.4%) | 24 (2.6%) | |
| 5 - 7 | 23 (2.5%) | 18 (1.9%) | 11 (1.2%) | 8 (0.9%) | 11 (1.2%) | 9 (1.0%) | 13 (1.4%) | 13 (1.4%) | |
| 8 - 10 | 7 (0.7%) | 4 (0.4%) | 4 (0.4%) | 5 (0.5%) | 1 (0.1%) | 6 (0.6%) | 8 (0.9%) | 2 (0.2%) | |
| 11 - 13 | 2 (0.2%) | 4 (0.4%) | 5 (0.5%) | 0 | 3 (0.3%) | 6 (0.6%) | 6 (0.6%) | 2 (0.2%) | |
| 14 or more | 1 (0.1%) | 4 (0.4%) | 7 (0.7%) | 2 (0.2%) | 9 (1.0%) | 3 (0.3%) | 13 (1.4%) | 8 (0.9%) | |
| Purging | None | 898 (95.7%) | 906 (96.6%) | 915 (97.5%) | 915 (97.5%) | 906 (96.6%) | 837 (89.2%) | 829 (88.4%) | 875 (93.3%) |
| 1 - 2 | 29 (3.1%) | 21 (2.2%) | 13 (1.4%) | 16 (1.6%) | 24 (2.6% | 81 (8.6%) | 68 (7.2%) | 45 (4.8%) | |
| 3 - 4 | 6 (0.6%) | 6 (0.6%) | 7 (0.7%) | 3 (0.3%) | 2 (0.2%) | 10 (1.1%) | 14 (1.5%) | 8 (0.9%) | |
| 5 - 7 | 5 (0.5%) | 0 | 2 (0.2%) | 1 (0.1%) | 1 (0.1%) | 2 (0.2%) | 5 (0.5%) | 1 (0.1%) | |
| 8 - 10 | 0 | 3 (0.3%) | 1 (0.1%) | 1 (0.1%) | 0 | 4 (0.4%) | 8 (0.9%) | 0 | |
| 11 - 13 | 0 | 0 | 0 | 0 | 0 | 1 (0.1%) | 1 (0.1%) | 3 (0.3%) | |
| 14 or more | 0 | 2 (0.2%) | 0 | 3 (0.3%) | 5 (0.5%) | 3 (0.3%) | 13 (1.4%) | 6 (0.6%) | |