Percentage (n) of children underestimating, accurately identifying and overestimating their body size using visual ratings
| True weight category* | % (n) Choosing a thinner figure (underestimation) | % (n) Choosing the correct figure (accurate) | % (n) Choosing a fatter figure (overestimation) |
| Underweight (n = 64) | 3.1 (2) | 29.7 (19) | 67.2 (43) |
| Boys | 0.0 (0) | 28.6 (10) | 71.4 (25) |
| Girls | 6.9 (2) | 31.0 (9) | 62.1 (18) |
| ⩽50th Centile but not underweight (n = 124) | 22.6 (28) | 31.5 (39) | 46.0 (57) |
| Boys | 23.1 (15) | 24.6 (16) | 52.3 (34) |
| Girls | 22.0 (13) | 39.0 (23) | 39.0 (23) |
| >50th Centile but not overweight (n = 137) | 59.1 (81) | 25.5 (35) | 15.3 (21) |
| Boys | 72.1 (49) | 19.1 (13) | 8.8 (6) |
| Girls | 46.4 (32) | 31.9 (22) | 21.7 (15) |
| Overweight (n = 53) | 90.6 (48) | 9.4 (5) | 0.0 (0) |
| Boys | 89.3 (25) | 10.7 (3) | 0.0 (0) |
| Girls | 92.0 (23) | 8.0 (2) | 0.0 (0) |
| Obese (n = 21) | 95.2 (20) | 4.8 (1) | 0.0 (0) |
| Boys | 88.9 (8) | 11.1 (1) | 0.0 (0) |
| Girls | 100 (12) | 0.0 (0) | 0.0 (0) |
*Based on International Obesity Taskforce Criteria with additional subdivision of lower and higher healthy weight groups.19