Associations of food addiction and nonsuicidal self-injury among women with an eating disorder: A common strategy for regulating emotions?

Lily Carlson, Trevor Steward, Zaida Agüera, Gemma Mestre-Bach, Pablo Magaña, Roser Granero, Susana Jiménez-Murcia, Laurence Claes, Ashley N. Gearhardt, José M. Menchón, Fernando Fernández-Aranda

Research output: Contribution to journalArticleResearch

10 Citations (Scopus)

Abstract

© 2018 John Wiley & Sons, Ltd and Eating Disorders Association. Objective: We examined the association between lifetime nonsuicidal self-injury (NSSI), emotion regulation, and food addiction (FA) in women (n = 220) with eating disorders (ED) compared with (n = 121) healthy controls (HC). Method: Participants were assessed via face-to-face interviews for ED diagnosis and lifetime NSSI. FA was assessed with Yale Food Addiction Scale 2.0 and emotion regulation using the Difficulty in Emotion Regulation Scale (DERS). Results: The prevalence of FA was significantly higher among women with an ED when compared with HC (75.9% vs. 4.1%, p < 0.001). Similarly, subjects presenting FA showed a high prevalence of lifetime NSSI, in both ED and HC (40.7% and 60.0%, respectively). Our predictive model revealed FA and DERS total scores as indicators of the presence of lifetime NSSI independent of group assignment, ED diagnosis, and age. Conclusions: These findings suggest a shared aetiology between ED, NSSI, and FA, explained possibly in part by emotion-regulation deficits.
Original languageEnglish
Pages (from-to)629-637
JournalEuropean Eating Disorders Review
Volume26
DOIs
Publication statusPublished - 1 Nov 2018

Keywords

  • eating disorders
  • food addiction
  • nonsuicidal self-injury
  • risk factors
  • self-harm behaviours

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