Flowchart of PE definitions for the analysis of longitudinal picky eating. aLow PE, score of 1 at all time points or 0 or 1 at 3 points and 2 at any 1 time point; bhigh PE, score of 2 at ≥2 time points; cearly PE, in high group and score of 2 at first and/or second time point; dlate PE, in high group and score of 2 for the first time at third time point; epersistent, in early group and a score of two 3 or 4 times; and fnot persistent, in early group and score of 2 twice. FFQ, food-frequency questionnaire; FR, food record; PE, picky eating.