Enduring value of perfectionism and maturity fears for predicting eating disorder maintenance over 10-, 20-, and 30-year follow-up.

The Eating Disorder Inventory provides a theoretically informed multidimensional assessment of eating disorder symptoms and associated psychological factors widely used to examine the development and maintenance of eating disorders. Yet, mixed findings for some factors raise questions about whether their prognostic value varies as a function of duration of follow-up or type of eating pathology studied.