BMI z‐Scores are a poor indicator of adiposity among 2‐ to 19‐year‐olds with very high BMIs, NHANES 1999‐2000 to 2013‐2014

Objective Although the Centers for Disease Control and Prevention (CDC) growth charts are widely used, BMI‐for‐age z ‐Scores (BMIz) are known to be uninformative above the 97th percentile. This study compared the relations of BMIz and other BMI metrics (%BMI p95 , percent of 95th percentile, and ΔBMI p95 , BMI minus 95th percentile) to circumferences, skinfolds, and fat mass. We were particularly interested in the differences among children with...