Functioning, disability, and health of individuals with Hikikomori (prolonged social withdrawal) and their families: A systematic review and meta-analysis of case-control studies.
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Abstract
Background: Currently, paradoxical findings exist regarding the level of functioning in individuals with Hikikomori (prolonged social withdrawal).
Aims: This systematic review aimed to clarify the functioning, disability, and health of individuals with Hikikomori and their families in comparison to those without Hikikomori.
Method: Relevant studies were searched from April 22 to 25, 2022, using MEDLINE, PsycINFO, Scopus, and two Japanese databases. Functions were categorized into 'body functions"; "structure"; and "activity and participation', which were further classified into subcategories.
Results: Of the 8,181 studies screened, 24 studies with 1,769 individuals with Hikikomori were included. Twelve, three, and four indicators from six studies on depression and anxiety, three on addiction, and two on thought problem symptoms, respectively, were higher in the Hikikomori group than in the comparison group, with at least moderate effect sizes. Three indicators from three studies on interpersonal relationships were worse in the Hikikomori group, with at least moderate effect sizes. The meta-analyses showed that internalizing symptoms, externalizing symptoms, and thought disorders were significantly higher in the Hikikomori group than those in the comparison group with moderate-to-high effect sizes. Contrastingly, communication/interpersonal interactions were significantly lower in the Hikikomori group than those in the comparison group. No significant differences were observed in daily life/social life and the families' communication/interpersonal interactions and relationship.
Conclusions: The study limitations include a high risk of bias and heterogeneity. Overall, individuals with Hikikomori often have impaired mental and interpersonal interaction functions; thus, comorbidities of this condition should be carefully assessed.PROSPERO: CRD42022320592.
期刊介绍：
The International Journal of Social Psychiatry, established in 1954, is a leading publication dedicated to the field of social psychiatry. It serves as a platform for the exchange of research findings and discussions on the influence of social, environmental, and cultural factors on mental health and well-being. The journal is particularly relevant to psychiatrists and multidisciplinary professionals globally who are interested in understanding the broader context of psychiatric disorders and their impact on individuals and communities.
Social psychiatry, as a discipline, focuses on the origins and outcomes of mental health issues within a social framework, recognizing the interplay between societal structures and individual mental health. The journal draws connections with related fields such as social anthropology, cultural psychiatry, and sociology, and is influenced by the latest developments in these areas.
The journal also places a special emphasis on fast-track publication for brief communications, ensuring that timely and significant research can be disseminated quickly. Additionally, it strives to reflect its international readership by publishing state-of-the-art reviews from various regions around the world, showcasing the diverse practices and perspectives within the psychiatric disciplines. This approach not only contributes to the scientific understanding of social psychiatry but also supports the global exchange of knowledge and best practices in mental health care.
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