Table 2 International cut-off values for childhood overweight and obesity

WHO growth standard [27, 28]

<  5 year

Overweight: + 2SD ≤ BMI < +3SD

Obesity: BMI ≥ +  3 SD

5–19 years old

Overweight: +1SD < BMI < + 2SD

Obesity: BMI > +2 SD

Centre for Diseases Control [29]

2–19 years old

Overweight = 85th – 94th BMI percentiles

Obesity >95th BMI percentiles

International Obesity Task Force [30]

2–18 years old

Overweight percentile curve passing though BMI = 25 kg/m2 at age 18;

Obesity percentile curve passing through BMI = 30 kg/m2 at age 18