Perfectionism and impulsivity based risk profiles in eating disorders.

In addition to the well-known high-functioning, overcontrolled and undercontrolled classes, two to three undercontrolled classes (moderately impulsive, behaviorally, and emotionally dysregulated class) emerged. Those classes differentiated on perfectionism and impulsivity levels as well as on ED symptom severity and psychiatric comorbidities-all of which may influence maintenance of ED, appropriate treatment choice and therefore treatment response.