Table 4.
Body composition characteristics by school quintile in 2010 and 2013 and significance of differences during follow-up according to mixed models with school included as subjects
| Quintile 1 (n = 120) | Quintile 2 (n = 96) | Quintile 3 (n = 130) | Quintile 4 (n = 108) | Quintile 5 (n = 120) | P value | Mixed Models MSE | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | 2013 | 2010 | 2013 | 2010 | 2013 | 2010 | 2013 | 2010 | 2013 | 2013 | 2013 | |
| Height (cm) | 118.1 | 113.4 | 116.7 | 132.7 | 117.1 | 133.4 | 122.9 | 137.2 | 123.2 | 139.3 | <0.001 | 80.9 |
| Mass (kg) | 21.4 | 30.3 | 21.0 | 29.1 | 20.5 | 28.9 | 24.7 | 36.1 | 24.7 | 36.4 | <0.001 | 68.3 |
| BMI (kg/m | 15.4 | 16.7 | 15.3 | 16.4 | 15.0 | 16.3 | 16.2 | 18.7 | 16.2 | 18.6 | <0.001 | 13.2 |
| Fat % | 14.4 | 18.9 | 15.4 | 18.3 | 14.1 | 17.9 | 17.8 | 23.2 | 17.6 | 23.4 | <0.001 | 61.5 |
N = number of participants, BMI = Body Mass Index; Fat % = Fat percentage; Significant difference p < 0.05, MSE = mean square error.