Age | Boys (n = 7417) | Girls (n = 6960) | |||||
---|---|---|---|---|---|---|---|
−2 SD | 0 SD | +2 SD | −2 SD | 0 SD | +2 SD | ||
Months | |||||||
3.0 | 13.8 | 16.1 | 19.1 | 13.4 | 15.8 | 18.7 | |
6.0 | 14.7 | 17.2 | 20.1 | 14.2 | 16.7 | 19.8 | |
9.0 | 14.9 | 17.4 | 20.4 | 14.5 | 16.9 | 20.0 | |
12.0 | 14.9 | 17.4 | 20.3 | 14.4 | 16.8 | 19.9 | |
15.0 | 14.7 | 17.1 | 20.0 | 14.2 | 16.6 | 19.6 | |
18.0 | 14.5 | 16.9 | 19.7 | 14.1 | 16.4 | 19.3 | |
21.0 | 14.2 | 16.6 | 19.4 | 14.0 | 16.2 | 19.1 | |
Years | |||||||
2.0 | 14.0 | 16.4 | 19.2 | 13.9 | 16.1 | 19.0 | |
3.0 | 13.5 | 15.9 | 18.8 | 13.6 | 15.7 | 18.8 | |
4.0 | 13.2 | 15.6 | 18.7 | 13.3 | 15.5 | 18.9 | |
5.0 | 13.1 | 15.5 | 19.0 | 13.0 | 15.4 | 19.2 | |
6.0 | 13.1 | 15.5 | 19.4 | 13.0 | 15.5 | 19.9 | |
7.0 | 13.1 | 15.6 | 20.0 | 13.0 | 15.7 | 20.7 | |
8.0 | 13.3 | 15.8 | 20.7 | 13.1 | 16.0 | 21.6 | |
9.0 | 13.5 | 16.1 | 21.4 | 13.3 | 16.3 | 22.4 | |
10.0 | 13.7 | 16.4 | 22.1 | 13.6 | 16.7 | 23.2 | |
11.0 | 14.0 | 16.8 | 22.8 | 13.9 | 17.2 | 24.0 | |
12.0 | 14.4 | 17.3 | 23.5 | 14.4 | 17.8 | 24.9 | |
13.0 | 14.8 | 17.0 | 24.2 | 15.0 | 18.5 | 25.7 | |
14.0 | 15.3 | 18.5 | 25.0 | 15.6 | 19.2 | 26.5 | |
15.0 | 15.8 | 19.2 | 25.7 | 16.1 | 19.8 | 27.2 | |
16.0 | 16.3 | 19.9 | 26.4 | 16.6 | 20.3 | 27.8 | |
17.0 | 16.8 | 20.4 | 27.1 | 17.0 | 20.8 | 28.3 | |
18.0 | 17.1 | 20.9 | 27.6 | 17.4 | 21.2 | 28.7 | |
19.0 | 17.4 | 21.4 | 28.0 | 17.8 | 21.5 | 29.0 | |
20.0 | 17.7 | 21.8 | 28.3 | 18.1 | 21.8 | 29.3 | |
21.0 | 17.9 | 22.1 | 28.6 | 18.4 | 22.1 | 29.6 |