Table 2. Prevalence of weight trajectory classes by family and neighbourhood socioeconomic status.
| % children in weight trajectory per family SES quintile | % children in weight trajectory per neighbourhood SES quintile | |||||||||
| Latent class | Most advantaged | 2nd quintile | 3rd quintile | 4th quintile | Most disadvantaged | Most advantaged | 2nd quintile | 3rd quintile | 4th quintile | Most disadvantaged |
| Trajectories of overweight | ||||||||||
| Persistent overweight | 8.9 | 13.5 | 14.0 | 17.1 | 19.1 | 11.8 | 13.9 | 13.5 | 15.5 | 17.3 |
| Late overweight | 11.1 | 11.6 | 15.0 | 15.0 | 16.1 | 11.8 | 14.4 | 12.9 | 13.8 | 15.7 |
| Resolving overweight | 2.9 | 2.3 | 3.0 | 2.6 | 2.9 | 2.8 | 2.3 | 2.8 | 2.9 | 2.9 |
| Stable normal weight | 77.0 | 72.6 | 68.0 | 65.2 | 61.9 | 73.6 | 69.5 | 70.8 | 67.8 | 64.2 |
| Trajectories of overweight and obesity | ||||||||||
| Persistent obese | 3.4 | 7.2 | 6.6 | 8.9 | 11.5 | 5.3 | 6.2 | 6.5 | 8.1 | 10.7 |
| Late overweight | 15.8 | 16.6 | 21.8 | 22.2 | 23.1 | 17.3 | 20.8 | 19.1 | 20.7 | 21.2 |
| Stable normal weight | 80.3 | 76.2 | 71.6 | 68.9 | 65.4 | 77.4 | 73.0 | 74.4 | 71.2 | 68.1 |
| Trajectories of BMI | ||||||||||
| High rising | 2.7 | 4.9 | 4.2 | 6.9 | 8.4 | 3.8 | 4.3 | 4.5 | 5.5 | 8.3 |
| Moderately rising | 22.2 | 23.2 | 28.4 | 29.8 | 31.3 | 24.0 | 27.0 | 26.3 | 28.0 | 28.9 |
| Stable normal weight | 75.1 | 71.9 | 67.3 | 63.3 | 69.3 | 72.2 | 68.7 | 69.2 | 66.5 | 62.8 |
| Trajectories of BMI z-scores | ||||||||||
| High rising | 6.5 | 10.8 | 10.9 | 13.9 | 16.2 | 8.5 | 10.6 | 10.6 | 12.6 | 15.0 |
| Moderately rising | 26.9 | 25.0 | 29.5 | 30.7 | 30.7 | 27.3 | 28.9 | 29.2 | 27.9 | 29.3 |
| Stable normal weight | 40.9 | 36.5 | 35.6 | 33.2 | 31.0 | 39.0 | 35.1 | 37.0 | 35.3 | 31.5 |
| Stable low | 20.6 | 21.7 | 19.2 | 18.7 | 17.4 | 20.4 | 20.1 | 19.3 | 19.5 | 18.8 |
| Stable very low | 5.1 | 6.1 | 4.8 | 3.5 | 4.8 | 4.9 | 5.3 | 3.9 | 4.7 | 5.4 |