Figure 2. Median Difference between Expected and Observed BMI in the Test Data (> age 14) Based on Number of Training Datapoints, Within-Child Standard Deviation Prediction Points, and Autocorrelation, within the Control Sample.

Note. ‘Population Median’ refers to the 50th percentile BMI based on age- and sex-referenced CDC growth charts. One BMI point is equal to ~ 6lb/1.4 kg for an individual of average height.