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Psychotic-like experiences during early adolescence predict symptoms of depression, anxiety, and conduct problems three years later: A community-based study.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Child and Adolescent Psychiatry.
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2019 (English)In: Schizophrenia Research, ISSN 0920-9964, E-ISSN 1573-2509, article id S0920-9964(19)30468-2Article in journal (Refereed) Epub ahead of print
Abstract [en]

Psychotic-like experiences (PLEs), such as delusions and hallucinations, are risk markers for psychiatric symptoms and functional impairment. However, the unique contribution of PLEs to psychiatric symptoms remains unclear. Thus, the aim of this study was to investigate the effect of PLEs on psychiatric symptoms, adjusting for the baseline of such symptoms. We assessed a community-based cohort of young adolescents (N = 1445; mean age = 14.38 years, SD = 1.04) to establish a baseline and reassessed them three years later (mean age = 17.31 years, SD = 1.04). Participants reported PLEs they had experienced in the last year and any internalizing (depression and anxiety) or externalizing (attention-deficit/hyperactivity disorder and conduct problems) psychiatric symptoms. The experience of more PLEs predicted more internalizing symptoms three years later, and to a lesser extent, more conduct problems as well, even when adjusting for the baseline occurrence of these symptoms. The association was not sex-specific, although girls reported more PLEs than did boys. The strongest predictor of internalizing/externalizing symptoms was the occurrence of those same symptoms at baseline. These findings highlight the importance of PLEs as markers for a wide range of psychiatric symptoms, emphasizing the importance of assessing PLEs in early adolescence.

Place, publisher, year, edition, pages
2019. article id S0920-9964(19)30468-2
Keywords [en]
Adolescence, Anxiety, Depression, Externalizing, Internalizing, Psychotic-like experiences
National Category
Psychiatry
Identifiers
URN: urn:nbn:se:uu:diva-396449DOI: 10.1016/j.schres.2019.10.033PubMedID: 31677809OAI: oai:DiVA.org:uu-396449DiVA, id: diva2:1367763
Available from: 2019-11-05 Created: 2019-11-05 Last updated: 2019-11-05

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