Table 2. The prevalence of overweight in short (<−1 SD), average stature, and tall (>1 SD) girls and boys in the three age groups and periods.
| Age (y) | Year of Growth Study | Sample size | % overweight within short children (95%CI) | % overweight within average stature children (95%CI) | % overweight within tall children (95%CI) |
| Girls | |||||
| 2.0–4.9 | 1980 | 3,569 | 8.7 (6.1–12.2) | 7.5 (6.5–8.6) | 10.2 (8.2–12.6) |
| 1997 | 843 | 7.0 (3.5–13.3) | 8.2 (6.1–10.8) | 13.7 (8.6–20.8) | |
| 2009 | 839 | 8.7 (4.6–15.3) | 12.4 (9.9–15.4) | 18.1 (12.3–25.8) | |
| 5.0–13.9 | 1980 | 7,627 | 3.3 (2.5–4.5) | 6.9 (6.3–7.7) | 10.5 (8.9–12.4) |
| 1997 | 2361 | 5.8 (3.8–8.8) | 12.1 (10.6–13.8) | 19.7 (16.0–24.0) | |
| 2009 | 2,325 | 6.9 (4.6–10.2) | 14.7 (13.1–16.6) | 26.5 (22.1–31.3) | |
| 14.0–17.9 | 1980 | 3,080 | 9.0 (6.6–12.2) | 6.7 (5.7–7.9) | 6.7 (4.6–9.6) |
| 1997 | 1,215 | 10.5 (6.5–16.3) | 8.2 (6.5–10.3) | 9.1 (5.5–14.7) | |
| 2009 | 926 | 12.2 (7.4–19.4) | 11.5 (9.2–14.3) | 18.2 (12.4–25.7) | |
| Boys | |||||
| 2.0–4.9 | 1980 | 3,776 | 6.0 (4.2–8.4) | 5.4 (4.5–6.3) | 4.5 (3.2–6.4) |
| 1997 | 828 | 4.0 (1.5–9.6) | 6.6 (4.7–9.0) | 12.1 (7.4–19.0) | |
| 2009 | 788 | 5.6 (2.5–11.7) | 6.0 (4.2–8.5) | 13.3 (8.3–20.5) | |
| 5.0–14.9 | 1980 | 8,618 | 1.9 (1.3–2.7) | 3.9 (3.4–4.4) | 8.0 (6.5–9.8) |
| 1997 | 2,724 | 3.2 (1.8–5.4) | 8.2 (7.0–9.6) | 13.6 (10.6–17.2) | |
| 2009 | 2,307 | 6.0 (4.0–9.0) | 12.8 (11.2–14.6) | 24.4 (20.2–29.2) | |
| 15.0–17.9 | 1980 | 2,512 | 3.9 (2.4–6.2) | 5.0 (4.0–6.1) | 5.0 (3.0–8.2) |
| 1997 | 1,110 | 7.4 (4.2–12.6) | 6.7 (5.1–8.8) | 8.6 (5.2–13.8) | |
| 2009 | 613 | 6.7 (2.8–14.7) | 13.4% (10.4–17.1) | 12.1 (6.5–21.0) |