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Interrelationships of long-term changes in recovery domains among patients with schizophrenia spectrum disorders: A six-year follow-up study
De Winter,Lars Jelsma,Auke Vermeulen,Jentien M. Vellinga,Astrid van der Pluijm,Marieke van Weeghel,Jaap Hasson-Ohayon ,Ilanit Mulder,Cornelis L. Boonstra,Nynke Veling,Wim
De Winter,Lars
Jelsma,Auke
Vermeulen,Jentien M.
Vellinga,Astrid
van der Pluijm,Marieke
van Weeghel,Jaap
Hasson-Ohayon ,Ilanit
Mulder,Cornelis L.
Boonstra,Nynke
Veling,Wim
Abstract
Background: Social functioning, symptoms, cognition and well-being are all considered important recovery domains for patients with schizophrenia spectrum disorders (SSD). In the current study, we investigated to what extent longitudinal changes in one recovery domain moderated changes in another recovery domain, and which personal, clinical or social patient characteristics influence changes in recovery domains for patients with SSD. Methods: We investigated data from GROUP, a prospective, longitudinal six-year study of patients with SSD. We analyzed longitudinal changes in 15 outcomes (i.e., subdomains of symptoms, social functioning, cognition, quality of life or well-being), through a linear mixed-effects model analysis. Changes in other outcomes, patients’ duration of illness (DOI), and personal, clinical, or social patient characteristics at baseline were treated as covariates in the analyses. Results: We observed long-term improvement in all outcomes, except for depressive symptoms and subjective well-being. Larger improvements in positive symptoms, social functioning and executive functioning were indicated for patients with a short DOI. We found multiple, moderating effects, mainly for patients with a short DOI, between changes in cognition, social functioning, symptoms and quality of life. Limited moderating effects were indicated between these recovery domains and well-being. Baseline levels of outcomes, schizophrenia diagnosis, education level, ethnicity, living situation, employment status and marital status were all moderators for changes in most outcomes. Conclusions: Symptoms, social functioning, cognition and quality of life often concurrently improved over the course of SSD. These longitudinal changes were mostly driven by social patient characteristics, such as education level, ethnicity, living situation, employment status and marital status.
Description
GROUP investigators are Behrooz Z. Alizadeh, Wiepke Cahn, Lieuwe de Haan, Marieke van der Pluijm, Therese van Amelsvoort, Claudia J. P. Simons, Wim Veling
Date
2025
Journal Title
Journal ISSN
Volume Title
Publisher
Research Projects
Organizational Units
Journal Issue
Keywords
Schizophrenia spectrum disorder, Cohort, Longitudinal, Recovery, Social functioning, Symptoms, Cognition
Citation
De Winter, L, Jelsma, A, Vermeulen, J M, Vellinga, A, van der Pluijm, M, van Weeghel, J, Hasson-Ohayon , I, Mulder, C L, Boonstra, N, Veling, W, de Haan, L & GROUP-investigators 2025, 'Interrelationships of long-term changes in recovery domains among patients with schizophrenia spectrum disorders : A six-year follow-up study', BMC Psychiatry, vol. 25, no. 1, 1178. https://doi.org/10.1186/s12888-025-07700-8
License
info:eu-repo/semantics/openAccess