Prevalence estimates of weight status by age and sex, 2014–2015
| Age group, yr | No. of children | Body mass index z-score category; % of children (95% CI) | ||||
|---|---|---|---|---|---|---|
| < −2 | ≥ −2 to ≤ 1 | > 1 to ≤ 2 | > 2 to ≤ 3 | > 3 | ||
| All children | ||||||
| ≤ 4 | 15 089 | 4.8 (4.5 to 5.1) | 75.5 (74.8 to 76.1) | 14.7 (14.1 to 15.2) | 4.2 (3.9 to 4.5) | 0.9 (0.7 to 1.0) |
| 5–9 | 6907 | 2.3 (1.9 to 2.7) | 72.7 (71.7 to 73.8) | 15.1 (14.3 to 15.9) | 7.0 (10.6 to 12.1) | 2.7 (2.3 to 3.1) |
| 10–14 | 5616 | 2.2 (1.8 to 2.6) | 62.9 (61.6 to 64.2) | 21.1 (20.0 to 22.2) | 10.8 (10.0 to 11.6) | 2.9 (2.4 to 3.3) |
| 15–18 | 3660 | 1.9 (1.4 to 2.3) | 67.1 (65.6 to 68.6) | 18.1 (16.9 to 19.4) | 9.1 (8.2 to 10.1) | 3.7 (3.1 to 4.3) |
| Total | 31 272 | 3.4 (3.2 to 3.6) | 71.6 (71.1 to 72.1) | 16.3 (15.9 to 16.7) | 6.6 (6.3 to 6.8) | 2.0 (1.8 to 2.1) |
| Boys | ||||||
| ≤ 4 | 7683 | 5.0 (4.5 to 5.5) | 73.7 (72.7 to 74.7) | 15.3 (14.5 to 16.1) | 4.8 (4.3 to 5.3) | 1.2 (0.9 to 1.4) |
| 5–9 | 3552 | 2.2 (1.8 to 2.8) | 71.3 (69.7 to 72.7) | 15.3 (14.2 to 16.5) | 7.4 (6.5 to 8.3) | 3.5 (2.9 to 4.2) |
| 10–14 | 2824 | 2.4 (1.9 to 3.1) | 61.5 (59.7 to 63.3) | 20.5 (19.0 to 22.0) | 12.2 (11.0 to 13.4) | 3.3 (2.7 to 4.0) |
| 15–18 | 1737 | 2.8 (2.0 to 3.6) | 64.1 (61.8 to 66.4) | 19.2 (17.4 to 21.1) | 10.2 (8.9 to 11.8) | 3.5 (2.7 to 4.0) |
| Total | 15 796 | 3.7 (3.4 to 4.0) | 69.9 (69.2 to 70.6) | 16.6 (16.1 to 17.2) | 7.3 (6.9 to 7.7) | 2.3 (2.1 to 2.6) |
| Girls | ||||||
| ≤ 4 | 7406 | 4.5 (4.1 to 5.0) | 77.3 (76.3 to 78.3) | 14.0 (13.2 to 14.8) | 3.5 (3.1 to 4.0) | 0.6 (0.4 to 0.8) |
| 5–9 | 3355 | 2.3 (1.8 to 2.9) | 74.2 (72.7 to 75.7) | 14.8 (13.7 to 16.1) | 6.6 (5.8 to 7.5) | 1.7 (1.3 to 2.2) |
| 10–14 | 2792 | 2.0 (1.5 to 2.6) | 64.4 (62.6 to 66.1) | 21.8 (20.2 to 23.3) | 9.4 (8.4 to 10.6) | 2.4 (2.0 to 3.0) |
| 15–18 | 1923 | 1.0 (0.6 to 1.6) | 69.8 (67.7 to 71.8) | 17.2 (15.5 to 18.9) | 8.0 (6.9 to 9.4) | 3.8 (3.0 to 4.8) |
| Total | 15 476 | 3.2 (2.9 to 3.4) | 73.4 (72.7 to 74.1) | 16.0 (15.4 to 16.6) | 5.8 (5.5 to 6.2) | 1.6 (1.4 to 1.8) |
Note: CI = confidence interval.