when is a child considered obese
A child is defined as âaffected by obesityâ if their body mass index-for-age (or BMI-for-age) percentile is greater than 95 percent. A child is defined as âoverweightâ if their BMI-for-age percentile is greater than 85 percent and less than 95 percent. How Childhood Obesity is Measured. Measuring Weight Status. Obesity in children is determined by using BMI-for-age percentiles.