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Food addiction as a proxy for anorexia nervosa severity : new data based on the yale food addiction scale 2.0

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Tran, Helene
Poinsot, Pierre
Guillaume, Sebastien
Delaunay, Dominique
Bernetiere, Marion
Fourneret, Pierre
Peretti, Noël
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New York (N.Y) : Elsevier
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The contribution of an addictive process to anorexia nervosa (AN) is an area of growing interest. Yet, little is known about how the food addiction concept (FA) may be of interest in understanding AN. This study investigates prevalence of FA diagnostic and its association with markers of severity in individuals with AN. We conducted a retrospective study in a sample of 73 patients with AN. We assessed FA with the Yale Food Addiction Scale 2.0, depressive and anxiety disorders, impulsivity (Beck Depression Inventory, STAI, BIS-11) and eating behavior (BITE, EDE-Q). Prevalence of FA in our sample was 47%. FA was significantly associated and positively correlated with the binge-eating/purging subtype of AN, higher levels of depression, anxiety and greater eating psychopathology. FA was not associated with level of impulsivity nor leptin and IGF-1 blood levels. The relationship between FA severity and AN severity was mediated by the severity of binge eating behaviors. Our results suggest that the presence of FA may represent a more severe variant of AN. Longitudinal studies are needed to better understand the etiologic process between FA and AN.

Psychiatry Research, Vol. 293, 113472 (2020)
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Food addiction , Anorexia nervosa , Eating disorder , Addictive-like eating , Severity , Loss of control , Mediation analysis
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article de recherche