Means, standard deviations (SD) for Body Mass Index (BMI) and waist circumference (WC) and percentage overweight and obese (using IOTF and WHO criteria) in each of the participating countries, for boys and girls separately and for children with low educated and high educated parents separately.

*P<0.05;
**p<0.01;
***p<0.001 girls significantly lower than boys, adjusted for age;
‡p<0.05 boys significantly lower than girls, adjusted for age;
ˆp<0.05;
ˆˆp<0.01;
ˆˆˆP<0.001 high educated significantly lower than low educated, adjusted for age;
apairwise comparison between countries using Bonferroni correction, adjusted for age;
bpairwise comparison between countries using Bonferroni correction, adjusted for age and height;
coverweight categories based on the IOTF criteria, including both overweight and obesity;
dWeight categories based on WHO criteria, overweight including obese stands for BMI+1SD; obese stands for BMI+2SD.