Table 2 Polish children and adolescents (the OLAF study sample) median weight and BMI z-scores relative to the WHO 2007, USCDC2000, and Lodz growth references
reference | weight z-score | BMI z-score | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
N | Min. | Median | Max. | IQR | N | Min. | Median | Max. | IQR | |
boys | ||||||||||
WHO 2007 | 1837 | -3.08 | 0.52 | 5.92 | 1.72 | 6226 | -4.18 | 0.11 | 5.91 | 1.65 |
USCDC2000 | 6226 | 3.71 | 0.30 | 3.67 | 1.38 | 6226 | -5.03 | 0.06 | 2.96 | 1.51 |
Lodz | 6226 | -3.04 | 0.10 | 3.71 | 1.31 | 6226 | -3.93 | 0.03 | 3.64 | 1.34 |
girls | ||||||||||
WHO 2007 | 1778 | -3.17 | 0.29 | 5.06 | 1.57 | 6555 | -3.90 | -0.07 | 4.54 | 1.41 |
USCDC2000 | 6555 | -4.36 | 0.10 | 3.27 | 1.26 | 6555 | -4.39 | -0.06 | 2.73 | 1.32 |
Lodz | 6555 | -4.40 | 0.18 | 3.94 | 1.33 | 6555 | -4.24 | 0.14 | 3.62 | 1.30 |