Table 3.
Summary of Discrimination Values of the IROC Algorithm for Predicting Overweight in Children at 5 Years
| Models | IOTF Overweight Criteria AUC c-statistic (95% CI)+ | UK 1990 Overweight Criteria AUC c-statistic (95% CI)a |
|---|---|---|
| Primary analysis | ||
| 1. Clinical model | 0.67 (0.62–0.72) | 0.65 (0.60–0.71) |
| Sensitivity analysis | ||
| 2. Recalibrated model | 0.70 (0.65–0.74) | 0.67 (0.62–0.72) |
| 3. Imputed model | 0.79 (0.72–0.86) | 0.73 (0.65–0.81) |
| 4. Recalibrated imputed model | 0.93 (0.88–0.98) | 0.90 (0.84–0.96) |
a
95% confidence intervals generated by bootstrapping standard errors using jackknife procedure.
IROC, Infant Risk of Overweight Checklist; IOTF, International Obesity Task Force; AUC, area under the receiver operating curve; CI, confidence interval.