Percentage of children (95% confidence intervals) crossing at least one channel up or down in a year using the 1990 reference (SDscore increasing by at least 0.67)
| Boys (n = 317) | Girls (n = 257) | |
| Percentage crossing at least one channel up | ||
| Height | 0.9% (0.4–2.7) | 1.2% (0.5–3.4) |
| Weight | 1.6% (0.8–3.6) | 1.9% (1.0–4.5) |
| BMI | 5.0% (3.3–8.1) | 5.1% (3.2–8.5) |
| Percentage crossing at least one channel down | ||
| Height | 0.3% (0.1–1.7) | 0.0% (0.0–1.4) |
| Weight | 0.3% (0.1–1.7) | 0.4% (0.1–2.1) |
| BMI | 0.9% (0.4–2.7) | 2.3% (1.2–5.0) |