Height for age and weight for age centile values expressed as Z scores using NCHS standards
Age (years) | Boys | Girls | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
3rd | 10th | 50th | 90th | 97th | 3rd | 10th | 50th | 90th | 97th | ||
Height for age | |||||||||||
0 | −2.5 | –1.7 | −0.2 | 1.1 | 1.6 | −2.2 | −1.4 | 0.0 | 1.2 | 1.8 | |
3 | −2.3 | −1.8 | −0.6 | 0.5 | 1.0 | −2.2 | −1.6 | −0.4 | 0.8 | 1.3 | |
6 | −2.7 | −2.1 | −0.9 | 0.3 | 0.8 | −2.4 | −1.8 | −0.5 | 0.7 | 1.3 | |
9 | −2.8 | −2.2 | −0.9 | 0.3 | 0.9 | −2.3 | −1.7 | −0.7 | 0.4 | 1.0 | |
12 | −2.9 | −2.4 | −1.3 | −0.1 | 0.4 | −3.3 | −2.7 | −1.4 | 0.0 | 0.6 | |
15 | −3.7 | −3.0 | −1.7 | −0.4 | 0.2 | −2.5 | −1.9 | −0.5 | 0.9 | 1.6 | |
18 | −4.1 | −3.1 | −1.2 | 0.6 | 1.4 | −1.9 | −1.2 | 0.2 | 1.7 | 2.4 | |
Weight for age | |||||||||||
0 | −2.7 | −1.9 | −0.2 | 1.1 | 1.7 | −2.1 | −1.4 | −0.1 | 1.6 | 2.5 | |
3 | −2.5 | −2.1 | −1.0 | 0.1 | 0.5 | −2.9 | −2.3 | −1.0 | 0.2 | 0.6 | |
6 | −2.8 | −2.3 | −1.3 | −0.1 | 0.3 | −2.4 | −2.0 | −1.0 | 0.1 | 0.5 | |
9 | −2.6 | −2.2 | −1.3 | −0.3 | 0.2 | −2.2 | −2.0 | −1.3 | −0.4 | 0.0 | |
12 | −2.7 | −2.4 | −1.7 | −0.7 | −0.2 | −2.5 | −2.3 | −1.7 | −0.8 | −0.2 | |
15 | −3.5 | −3.2 | −2.2 | −0.9 | −0.1 | −2.9 | −2.5 | −1.4 | −0.3 | 0.2 | |
18 | −4.3 | −3.5 | −2.0 | −0.9 | −0.4 | −2.4 | −1.9 | −0.8 | 0.1 | 0.4 |
NCHS, National Center for Health Statistics.