Supplementary Table 1. Validation of the regression models by four estimation methods.
| Percentage of overweight (%) | Regression models | Degree of suitability | Decision | |||||
|---|---|---|---|---|---|---|---|---|
| AIC | R-Squared | MAE | Likelihood Ratio Test | |||||
| boys | Prevalence of obesity (%) | 20 to ＜30 | WLS | 263.9979 | 0.0848 | 20.8958 | -128.9990 | Quadratic |
| Quadratic | 201.2367 | 0.8913 | 6.0901 | -95.6180 | ||||
| 30 to ＜50 | WLS | 243.5526 | 0.0147 | 13.6816 | -118.7760 | Quadratic | ||
| Quadratic | 207.4312 | 0.7599 | 7.4561 | -98.7160 | ||||
| ≥ 50 | WLS | 192.2043 | 0.3230 | 5.6575 | -93.1020 | Quadratic | ||
| Quadratic | 150.4751 | 0.7482 | 2.6621 | -70.2380 | ||||
| girls | Prevalence of obesity (%) | 20 to ＜30 | WLS | 252.7594 | 0.0914 | 18.9586 | -123.3800 | Quadratic |
| Quadratic | 212.8955 | 0.7325 | 8.3577 | -101.4500 | ||||
| 30 to ＜50 | WLS | 245.1583 | 0.0548 | 18.9712 | -119.5790 | Quadratic | ||
| Quadratic | 194.2519 | 0.4301 | 5.9545 | -92.1260 | ||||
| ≥ 50 | WLS | 138.5724 | 0.0548 | 2.2998 | -66.2860 | Quadratic | ||
| Quadratic | 135.7715 | 0.4301 | 1.9718 | -62.8860 | ||||