Table 2.
The sensitivity and specificity of parental perception of overweight against actual overweight measured using BMI: boys and girls aged 9·00–11·99 years (n 1431), Queensland, Australia
| Perceived | |||||
|---|---|---|---|---|---|
| Sex | Index | ‘Too fat’ | ‘Not too fat’ | Total | Sensitivity/specificity |
| Male | BMI | ||||
| Overweight | 38 | 100 | 138 | 27·5* | |
| Not overweight | 2 | 546 | 548 | 99·6 | |
| Total | 40 | 646 | 686 | ||
| Female | BMI | ||||
| Overweight | 46 | 156 | 202 | 22·7† | |
| Not overweight | 1 | 542 | 543 | 99·8 | |
| Total | 47 | 698 | 745 | ||
*Denotes statistically significant difference in sensitivities between BMI and WHtR for males (P < 0·01).
†Denotes statistically significant difference in sensitivities between BMI and WHtR for females (P < 0·01).