Do Risk Factors Differentiate DSM-5 and Drive for Thinness Severity Groups for Anorexia Nervosa?

Overview

Journal J Eat Disord

Publisher Biomed Central

Date 2024 Jan 11

PMID 38212857

Authors

An Binh Dang

Litza Kiropoulos

Marija Anderluh

David Collier

Fernando Fernandez-Aranda

Andreas Karwautz

Janet Treasure

Gudrun Wagner

Isabel Krug

Affiliations

Soon will be listed here.

Abstract

Background: The current study examined whether risk factors for anorexia nervosa (AN) were related to different levels of severity based on (a) the DSM-5/body mass index (BMI) and (b) drive for thinness (DT) severity ratings.

Methods: The sample comprised 153 pairs of individuals with a lifetime diagnosis AN per DSM-IV criteria and their non-ED sisters (N = 306, mean age = 26.53; mean current BMI = 20.42 kg/m). The Oxford risk factor interview was used to establish AN-related risk factors. Individuals were categorised into the DSM-5 severity groups based on their lowest BMI, while the DT subscale from the eating disorder inventory-2 was used to classify individuals with AN into low and high DT groups.

Results: Multinominal regression models showed similar risk factors (e.g., perfectionism, having a history of being teased about weight and shape) contributed to the development of AN using the DSM-5 and DT severity ratings. Follow-up analyses across the severity groups for both indices revealed that only childhood perfectionism was found to be more common in the extreme severe DSM-5 BMI severity group compared to the severe DSM-5 group.

Conclusion: Overall, this study found little evidence for AN risk factors being related to the DSM-5 and DT severity ratings. However, given the novelty of this study, replication of the current results is warranted.

Citing Articles

Two identical twin pairs discordant for longstanding anorexia nervosa and OSFED: lived experience accounts of eating disorder and recovery processes.

Elwyn R, Williams M, Smith E, Smith S J Eat Disord. 2024; 12(1):127.

PMID: 39223672 PMC: 11367789. DOI: 10.1186/s40337-024-01078-w.

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