Table 3.
Sensitivity, specificity and positive predictive value (PPV) of obesity and overweight using parent-reported measures in 4-year-old children, by sex and weight status classification. Autonomous Community of Madrid, Spain, 2012 (n 2914)
| Sensitivity | Specificity | PPV | ||||
|---|---|---|---|---|---|---|
| % | 95 % CI | % | 95 % CI | % | 95 % CI | |
| Obesity | ||||||
| WHO classification | ||||||
| Total | 70·5 | 63·1, 77·1 | 87·3 | 85·9, 88·5 | 26·2 | 22·3, 30·4 |
| Boys | 67·7 | 57·2, 77·1 | 85·4 | 83·4, 87·2 | 23·6 | 18·6, 29·1 |
| Girls | 73·5 | 62·7, 82·6 | 89·2 | 87·4, 90·8 | 29·6 | 23·5, 36·3 |
| IOTF classification | ||||||
| Total | 68·0 | 57·8, 77·1 | 89·8 | 88·6, 90·9 | 18·6 | 14·7, 23·1 |
| Boys | 70·0 | 53·5, 83·4 | 89·1 | 87·4, 90·7 | 15·1 | 10·3, 21·1 |
| Girls | 66·7 | 52·9, 78·6 | 90·4 | 88·8, 91·9 | 22·5 | 16·4, 29·5 |
| Overweight | ||||||
| WHO classification | ||||||
| Total | 32·9 | 28·8, 37·2 | 86·6 | 85·2, 87·9 | 33·9 | 29·8, 38·3 |
| Boys | 31·9 | 26·3, 37·9 | 86·8 | 84·7, 88·6 | 34·1 | 28·2, 40·4 |
| Girls | 33·9 | 27·9, 40·2 | 86·4 | 84·3, 88·3 | 33·7 | 27·8, 40·1 |
| IOTF classification | ||||||
| Total | 29·0 | 23·7, 34·8 | 88·9 | 87·7, 90·1 | 21·3 | 17·2, 25·8 |
| Boys | 28·2 | 20·3, 37·3 | 89·3 | 87·6, 90·9 | 18·4 | 13·0, 24·9 |
| Girls | 29·7 | 22·6, 37·5 | 88·5 | 86·6, 90·2 | 24·0 | 18·1, 30·6 |
| Overweight + obesity | ||||||
| WHO classification | ||||||
| Total | 67·0 | 63·3, 70·4 | 77·3 | 75·6, 79·0 | 47·4 | 44·3, 50·6 |
| Boys | 66·9 | 61·8, 71·5 | 75·7 | 73·1, 78·1 | 46·4 | 42·1, 50·7 |
| Girls | 67·1 | 61·8, 72·0 | 79·1 | 76·6, 81·4 | 48·6 | 44·0, 53·2 |
| IOTF classification | ||||||
| Total | 66·4 | 61·4, 71·0 | 81·1 | 79·6, 82·6 | 33·8 | 30·4, 37·3 |
| Boys | 65·6 | 57·9, 72·6 | 80·4 | 78·1, 82·4 | 28·3 | 23·9, 33·1 |
| Girls | 67·0 | 60·4, 73·0 | 82·0 | 79·7, 84·0 | 39·3 | 34·4, 44·5 |
IOTF, International Obesity Task Force.