Using network analysis to compare diagnosis-specific and age-specific symptom networks in eating disorders.
adolescents
adults
anorexia nervosa
bulimia nervosa
eating disorders
inpatient
network analysis
Journal
The International journal of eating disorders
ISSN: 1098-108X
Titre abrégé: Int J Eat Disord
Pays: United States
ID NLM: 8111226
Informations de publication
Date de publication:
08 2021
08 2021
Historique:
revised:
04
04
2021
received:
31
08
2020
accepted:
05
04
2021
pubmed:
6
5
2021
medline:
16
10
2021
entrez:
5
5
2021
Statut:
ppublish
Résumé
The network theory of mental disorders conceptualizes eating disorders (EDs) as networks of interacting symptoms. Network analysis studies in EDs mostly have examined transdiagnostic and/or mixed age samples. The aim of our study was to investigate similarities and differences of networks in adolescents and adults with anorexia nervosa (AN) or bulimia nervosa (BN). Participants were 2,535 patients (n = 991 adults with AN, n = 821 adolescents with AN, n = 473 adults with BN, and n = 250 adolescents with BN) who completed the Eating Disorder Inventory-2. Twenty-seven items were selected. Cross-sectional networks were estimated via Joint Graphical Lasso. Core symptoms were identified using strength centrality. Spearman correlations and network comparison tests (NCTs) were used to compare groups. Across diagnoses and ages, feeling ineffective, desire to be thinner, worries that feelings will get out of control, guilt after overeating as well as doing things perfectly emerged as most central symptoms. There were moderate to high correlations between symptom profiles (0.62-0.97, mean: 0.78) as well as high correlations between network structures (0.83-0.93, mean: 0.87) and network strengths (0.73-0.95, mean: 0.85). Global strength significantly differed in two of the six NCTs, and 2.5-10% of edges differed between networks. Considerable similarities in network structures and strengths across diagnoses and ages speak in favor of the transdiagnostic approach to EDs. Besides drive for thinness, ineffectiveness, emotion regulation difficulties, and perfectionism might be the most consistent factors in ED networks. These symptoms as well as their symptom connections should be especially focused in treatment regardless of age and diagnosis.
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1463-1476Informations de copyright
© 2021 The Authors. International Journal of Eating Disorders published by Wiley Periodicals LLC.
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