Table 1.
Latent Class Models at three waves of data collection: proportions of girls endorsing each indicator across classes
| Indicators | Disordered eating classes | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Age 14 (n = 3,666) | Age 16 (n = 3,350) | Age 18 (n = 3,025) | |||||||
| Non- disordered (n = 3452, 94.1 %) | Overweight and overeating (n = 191, 5.1 %) | Weekly WCB and binge eating (n = 23, 0.6 %) | Non-disordered (n = 2915, 87.0 %) | Monthly WCB (n = 193, 5.8 %) | Weekly WCB (n = 242, 7.2 %) | Non-disordered (n = 2655, 87.8 %) | Monthly WCB (n = 275, 9.1 %) | Weekly WCB (n = 95, 3.1 %) | |
| Weight | |||||||||
| Overweight (%) | 12.6 | 69.7 | 25.0 | 7.5 | 10.9 | 5.0 | 9.1 | 17.1 | 10.5 |
| Obese | 2.8 % | 18.8 % | 0 | 1.4 % | 6.2 % | 0 | 6.2 % | 8.0 % | 3.1 % |
| Binge eating | |||||||||
| Overeating (%) | 9.8 | 47.6 | 0 | 11.9 | 14.5 | 18.6 | 17.4 | 13.8 | 20.0 |
| Binge monthly | 1.2 % | 7.9 % | 0 | 3.4 % | 17.6 % | 8.7 % | 3.4 % | 42.2 % | 10.5 % |
| Binge weekly (%) | 0.4 | 12.2 | 40.9 | 1.8 | 4.7 | 15.3 | 1.8 | 28.0 | 18.9 |
| Fasting | |||||||||
| Monthly | 0.6 % | 17.2 % | 30.4 % | 0.7 % | 38.9 % | 11.1 % | 0.5 % | 25.1 % | 0 |
| Weekly | 0.6 % | 29.3 % | 69.6 % | 0 | 0.5 % | 64.0 % | 0 | 0 | 100 % |
| Purging | |||||||||
| Monthly | 0.1 % | 0 | 19.0 % | 0 | 61.6 % | 6.2 % | 2.9 % | 6.9 % | 5.3 % |
| Weekly | 0 | 7.8 % | 47.6 % | 0 | 6.7 % | 59.5 % | 0 | 16.3 % | 32.6 % |