Skip to main content
. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: J Am Acad Child Adolesc Psychiatry. 2018 Dec 13;58(2):191–199. doi: 10.1016/j.jaac.2018.11.008

TABLE 2.

Criteria Used to Diagnose Eating Disorders

Wave 14 Wave 16 Wave 18
Anorexia Nervosa
 Self-report

  1. Underweighta (BMI < 18.5) AND

  2. Self-reported weight and shape concern OR engaged in fasting for weight loss or to avoid weight gain at least monthly OR engaged in excessive exercise

  1. Underweighta (BMI < 18.5) AND

  2. Engaged in fasting for weight loss or to avoid weight gain at least monthly OR engaged in excessive exercise

  1. Underweight (BMI < 18.5) AND

  2. Self-reported weight and shape concern OR engaged in fasting for weight loss or to avoid weight gain at least monthly OR engaged in excessive exercise
 Parental report

  1. Underweighta (BMI < 18.5) AND

  2. Presence of fear of weight gain AND fat avoidance in 3 mo before assessment

  1. Underweighta (BMI < 18.5) AND

  2. Presence of fear of weight gain AND fat avoidance in 3 mo before assessment

 N/A
Bulimia Nervosa

  1. Weekly binge eating AND

  2. Weekly purging

  1. Weekly binge eating AND

  2. Weekly purging

  1. Weekly binge eating AND

  2. Weekly purging
Binge Eating Disorder

  1. Weekly binge eating AND

  2. ≥3 cognitive symptoms (eating fast or faster than normal; eating until stomach hurt or they felt sick, eating large amounts when not hungry, eating alone, feeling guilty about amount eaten) AND

  3. Absence of purging

  1. Weekly binge eating AND

  2. ≥3 cognitive symptoms (eating fast or faster than normal; eating until stomach hurt or they felt sick, eating large amounts when not hungry, eating alone, feeling guilty about amount eaten) AND

  3. Absence of purging

  1. Weekly binge eating AND

  2. ≥3 cognitive symptoms (eating fast or faster than normal; eating until stomach hurt or they felt sick, eating large amounts when not hungry, eating alone, feeling guilty about amount eaten) AND

  3. Absence of purging
Purging Disorder

  1. Purging at least weekly AND

  2. Binge eating absent or less than monthly

  1. Purging at least weekly AND

  2. Binge eating absent or less than monthly

  1. Purging at least weekly AND

  2. Binge eating absent or less than monthly

Note: AND indicates algorithm. BMI = body mass index; N/A = not applicable.

a

Underweight was determined using age, sex, and BMI-specific cutoffs (based on UK reference data) corresponding to World Health Organization grade 1 thinness.