For statistical analysis, the nutritional status was categorized
into two groups, considering children younger than
5 years to be overweight when z score + 1 < BMI
≤
z score + 3
and obese, when BMI > z score + 3; those aged 5 years or older
were considered to be overweight when z score + 1 < BMI < z
score + 2 and obese, when BMI
≥
z score + 2.