Skip to main content

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

From: The height-, weight-, and BMI-for-age of Polish school-aged children and adolescents relative to international and local 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