Predictive Validity of Purging Disorder: A 10‐Year Follow‐Up Study Comparing Prevalence and Psychosocial Outcomes for Alternative Criteria Sets

Key Points

• The study highlights the relevance of specifying diagnostic criteria for purging disorder to enhance predictive validity.
• Key metrics indicate that specific criteria, including self-induced vomiting and laxative use, occur weekly on average.
• Assessment of purging disorder used a longitudinal design to evaluate psychosocial outcomes over a 10-year period.
• Findings support improved diagnostic reliability in purging disorder, emphasizing better screening methods for treatment.

Abstract