| T1 | T2 | T3 | χ 2 for time trend (d.f. 1) | |||
---|---|---|---|---|---|---|---|
 | N | % | n | % | n | % |  |
Males | 3771 | 46.9 | 1207 | 44 | 1194 | 43.8 | - |
Binge eatinga | 368 | 13.8 | 79 | 7.9 | 56 | 6.1 | 49.9*** |
CB - purging: | |||||||
Self-induced vomitinga | 8 | 0.2 | 0 | 0.0 | 2 | 0.2 | 0.5ns |
Taking laxatives | 9 | 0.2 | 1 | 0.1 | 0 | 0 | 3.7ns |
Taking diuretics | 8 | 0.2 | 2 | 0.2 | 4 | 0.3 | 0.4ns |
CB - non-purging: | |||||||
Taking diet pillsb, c | 12 | 0.3 | 3 | 0.2 | 10 | 0.8 | 4.6* |
Excessive exercisea, c | 430 | 11.7 | 113 | 9.5 | 162 | 13.6 | 1.4ns |
Fasting | 35 | 1.3 | 4 | 0.4 | 5 | 0.5 | 6.3** |
Females | 4273 | 53.1 | 1536 | 56 | 1530 | 56.2 | - |
Binge eating | 491 | 16.8 | 60 | 6.9 | 50 | 5.6 | 95.7*** |
CB - purging: | |||||||
Self-induced vomiting | 55 | 1.3 | 27 | 1.8 | 10 | 0.6 | 2.3ns |
Taking laxatives | 9 | 0.2 | 7 | 0.5 | 4 | 0.3 | 0.3ns |
Taking diuretics | 12 | 0.3 | 6 | 0.4 | 3 | 0.2 | 0.1ns |
CB - non-purging: | |||||||
Taking diet pills | 20 | 0.5 | 23 | 1.5 | 31 | 2.1 | 30.1*** |
Excessive training | 602 | 14.3 | 178 | 11.7 | 143 | 9.4 | 25.9*** |
Fasting | 25 | 0.8 | 2 | 0.2 | 1 | 0.1 | 8.1** |