Network structure of functional somatic symptoms

Autor(en)
Alexandra Litzenburger, Yannick Rothacher, Kay Uwe Hanusch, Ulrike Ehlert, Urs M. Nater, Susanne Fischer
Abstrakt

Objective: The overlap among functional somatic syndromes (FSS) is substantial, which is why various empirical attempts at an improved understanding of related symptoms have been undertaken. Network analyses are particularly valuable from a clinical point of view, since they focus on the extent to which symptoms expression is co-dependent. The aim of this study was to provide the first estimation of the network structure of symptoms in 17 FSS. Methods: N = 3054 young adults participated in an online survey. The Questionnaire on Functional Somatic Syndromes (FSSQ) was used to diagnose FSS and to assess related symptoms. The Patient Health Questionnaire (PHQ-9) was used to assess (comorbid) depression. Various R packages were used for network analysis, which yielded correlations between symptoms (edges), symptom groups (communities), and measures of centrality for individual symptoms (e.g., node strength). Results: The final network had a relatively small number of edges, with small (46.5 %) or small- to medium-sized (47.1 %) correlations. Ten communities were identified: cognitive problems/fatigue/depression, sensory problems, facial pain, head/neck/upper back pain, dizziness/nausea, throat pain/problems with swallowing, chest pain, widespread pain, abdominal pain/problems with digestion, and genital pain. The highest node strength in the network was found for the symptoms “tired”, “down, depressed, or hopeless”, and “tired after minimal exertion”. Conclusions: The network analyses pointed to ten distinct groups of moderately associated symptoms in individuals with FSS. Fatigue and depression emerged as important symptoms connecting groups. Future studies should test whether (transdiagnostic) interventions specifically targeting these symptoms are particularly potent in alleviating FSS.

Organisation(en)
Institut für Klinische und Gesundheitspsychologie
Externe Organisation(en)
Berner Fachhochschule (BFH), Universität Zürich (UZH), Research Platform “The Stress of Life (SOLE) - Processes and Mechanisms underlying Everyday Life Stress”
Journal
Journal of Psychosomatic Research
Band
188
ISSN
0022-3999
DOI
https://doi.org/10.1016/j.jpsychores.2024.111968
Publikationsdatum
01-2025
Peer-reviewed
Ja
ÖFOS 2012
501010 Klinische Psychologie
Schlagwörter
ASJC Scopus Sachgebiete
Clinical Psychology, Psychiatry and Mental health
Sustainable Development Goals
SDG 3 – Gesundheit und Wohlergehen
Link zum Portal
https://ucrisportal.univie.ac.at/de/publications/39c3a162-9013-4ad3-830d-7a1d5b9e7111