Table 1 Anthropometric characteristics of the study sample and the Japanese national survey in 2011
Age (years) | Boys | Girls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
n | Height | Weight | Height | Weight | n | Height | Weight | Height | Weight | |
(National data) | (National data) | |||||||||
4 | 39 | 104.8 (3.7) | 16.9 (1.6) | ND | ND | 23 | 105.6 (3.5) | 17.2 (1.9) | ND | ND |
5 | 61 | 109.8 (4.2) | 18.2 (2.3) | 110.5 (4.7) | 18.9 (2.6) | 59 | 109.2 (4.6) | 18.1 (2.3) | 109.5 (4.7) | 18.5 (2.5) |
6 | 266 | 115.9 (4.5) | 20.8 (3.0) | 116.6 (4.9) | 21.3 (3.3) | 270 | 115.5 (4.3) | 20.4 (2.5) | 115.6 (4.9) | 20.8 (3.1) |
7 | 571 | 121.3 (5.1) | 23.3 (3.5) | 122.6 (5.3) | 24.0 (4.2) | 559 | 120.2 (4.6) | 22.2 (2.9) | 121.6 (5.1) | 23.4 (3.8) |
8 | 628 | 127.1 (5.1) | 26.3 (4.6) | 128.2 (5.4) | 27.0 (5.0) | 624 | 126.2 (5.1) | 25.2 (3.8) | 127.4 (5.5) | 26.4 (4.7) |
9 | 635 | 132.3 (5.4) | 29.5 (5.7) | 133.5 (5.7) | 30.3 (6.0) | 606 | 132.4 (6.1) | 28.8 (5.1) | 133.5 (6.2) | 29.8 (5.8) |
10 | 610 | 137.4 (6.1) | 32.7 (6.4) | 138.8 (6.1) | 33.8 (7.3) | 588 | 139.3 (6.7) | 32.9 (6.3) | 140.2 (6.8) | 34.0 (6.9) |
11 | 602 | 143.7 (6.7) | 37.4 (8.1) | 145.0 (7.1) | 38.0 (8.2) | 583 | 145.5 (6.6) | 37.2 (7.0) | 146.7 (6.7) | 38.8 (7.8) |
12 | 222 | 149.4 (7.8) | 41.7 (9.8) | 152.3 (8.0) | 43.8 (9.7) | 224 | 149.8 (5.9) | 40.4 (7.0) | 151.9 (5.9) | 43.6 (8.1) |