Table 2 Sample sizes and mean and standard deviations (SD) for weight, height, BMI, waist circumference (WC) and waist-to-height ratio (WHTR) for Hong Kong Chinese children aged 6 to 18 y
From: Waist circumference and waist-to-height ratio of Hong Kong Chinese children
Sex | Age | n | Weight (kg) | Height (cm) | BMI | WC (cm) | WHTR |
|---|---|---|---|---|---|---|---|
Boys | 6 | 402 | 23.9 (4.7) | 120.4 (5.5) | 16.2 (2.4) | 53.7 (5.4) | 0.45 (0.04) |
(n = 7472) | 7 | 520 | 26.4 (6.1) | 125.7 (5.9) | 16.6 (2.7) | 55.4 (6.6) | 0.44 (0.04) |
| Â | 8 | 572 | 29.3 (6.7) | 130.7 (5.9) | 17.0 (2.9) | 56.9 (6.8) | 0.43 (0.05) |
| Â | 9 | 629 | 32.7 (7.8) | 135.6 (6.0) | 17.6 (3.2) | 59.5 (7.8) | 0.44 (0.06) |
| Â | 10 | 627 | 37.5 (9.6) | 141.2 (6.9) | 18.7 (3.7) | 62.4 (9.1) | 0.44 (0.06) |
| Â | 11 | 644 | 41.8 (10.6) | 147.3 (7.9) | 19.1 (3.7) | 64 0(9.2) | 0.43 (0.05) |
| Â | 12 | 729 | 46.6 (11.9) | 154.1 (8.6) | 19.4 (3.7) | 64.6 (9.1) | 0.42 (0.05) |
| Â | 13 | 657 | 51.1 (11.3) | 161.2 (7.9) | 19.6 (3.5) | 65.2 (8.2) | 0.40 (0.05) |
| Â | 14 | 632 | 54,9 (10.9) | 166.3 (6.9) | 19.8 (3.4) | 66 0(7.7) | 0.40 (0.04) |
| Â | 15 | 558 | 59.1 (12.0) | 169.8 (5.4) | 20.4 (3.8) | 68.1 (8.7) | 0.40 (0.05) |
| Â | 16 | 579 | 60.6 (11.1) | 170.9 (5.8) | 20.7 (3.4) | 68.8 (8.2) | 0.40 (0.05) |
| Â | 17 | 553 | 61.5 (11.0) | 171.9 (5.7) | 20.8 (3.4) | 69.4 (7.8) | 0.40 (0.05) |
| Â | 18 | 370 | 62.3 (11.0) | 171.7 (5.6) | 21.1 (3.3) | 70.1 (7.6) | 0.41 (0.04) |
Girls | 6 | 377 | 21.8 (3.8) | 118.7 (5.1) | 15.4 (1.9) | 51.3 (4.2) | 0.43 (0.03) |
(n = 7370) | 7 | 479 | 24.9 (5.1) | 124.2 (5.5) | 16.0 (2.5) | 53.3 (5.4) | 0.43 (0.04) |
| Â | 8 | 504 | 27.8 (6.0) | 129.9 (6.3) | 16.3 (2.5) | 54.6 (5.8) | 0.42 (0.04) |
| Â | 9 | 590 | 30.8 (6.4) | 135.1 (6.3) | 16.8 (2.6) | 56.7 (6.0) | 0.42 (0.04) |
| Â | 10 | 584 | 35.3 (8.5) | 141.7 (7.0) | 17.4 (3.1) | 58.5 (7.0) | 0.41 (0.04) |
| Â | 11 | 599 | 40.1 (9.3) | 148.9 (7.0) | 19.0 (3.2) | 60.2 (6.9) | 0.40 (0.04) |
| Â | 12 | 750 | 44.1 (9.4) | 153.1 (6.2) | 18.7 (3.3) | 61.2 (7.0) | 0.40 (0.04) |
| Â | 13 | 637 | 47.8 (8.5) | 156.2 (5.4) | 19.6 (3.1) | 62.2 (6.5) | 0.40 (0.04) |
| Â | 14 | 656 | 49.0 (8.6) | 157.6 (5.4) | 19.7 (3.0) | 62.3 (6.2) | 0.40 (0.04) |
| Â | 15 | 600 | 50.5 (9.1) | 158.3 (5.3) | 20.1 (3.3) | 63.0 (6.7) | 0.40 (0.04) |
| Â | 16 | 640 | 50.7 (8.9) | 158.3 (5.3) | 20.2 (3.3) | 63.2 (6.4) | 0.40 (0.04) |
| Â | 17 | 568 | 51.4 (9.2) | 158.9 (6.7) | 20.3 (3.3) | 63.5 (6.3) | 0.40 (0.04) |
| Â | 18 | 386 | 51.3 (8.1) | 158.6 (5.6) | 20.4 (2.9) | 63.8 (5.6) | 0.40 (0.04) |