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Network Structures of Social Functioning Domains in Schizophrenia and Bipolar Disorder: A Preliminary Study

Authors
  • Ryu, Seunghyong
  • Lee, Hyeongrae
  • Lee, Dong-Kyun
  • Nam, Hee Jung
  • Chung, Young-Chul
  • Kim, Sung-Wan
Type
Published Article
Journal
Clinical Psychopharmacology and Neuroscience
Publisher
Korean College of Neuropsychopharmacology
Publication Date
Nov 30, 2020
Volume
18
Issue
4
Pages
571–579
Identifiers
DOI: 10.9758/cpn.2020.18.4.571
PMID: 33124589
PMCID: PMC7609205
Source
PubMed Central
Keywords
Disciplines
  • Original Article
License
Green

Abstract

Objective This study used network analyses to examine network structures reflecting interactions between specific domains of social functioning in schizophrenia (SZ) and bipolar disorder (BD). Methods We used the World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0) to assess six domains of social functioning (‘cognition’, ‘mobility’, ‘self-care’, ‘getting along’, ‘life activities’, and ‘participation’) in 143 patients with SZ, 81 patients with BD, and 106 healthy subjects. We constructed regularized partial correlation networks, estimated network centrality and edge strength, tested network stability, and compared SZ and BD network structures. Results Patients with SZ showed a significantly higher level of functional disability than patients with BD. In the networks we constructed, ‘cognition’ was the most central domain of social functioning in both SZ and BD. The ‘cognition’ domain was primarily associated with the ‘getting along’ domain in the SZ network and the ‘life activities’ domain in the BD network. We found no significant group-level differences in network structures for SZ vs. BD. Conclusion Our results suggest that cognition may play a pivotal role in social functioning in both SZ and BD. In addition, domains of social functioning in SZ and BD have similar network structures despite the higher level of disability in SZ compared to BD.

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