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Self-reported symptoms and health service use in adolescence in persons who later develop psychotic disorders: A prospective case-control study

Authors

  • Unni Bratlien,

    Corresponding author
    1. Division of Mental Health, Innlandet Hospital Trust, Ottestad, Norway
    • Corresponding author: Mrs Unni Bratlien, Innlandet Hospital Trust, Division of Mental Health, Department for Psychosis and Rehabilitation, 2312 Ottestad, Norway. Email: unni.bratlien@sykehuset-innlandet.no

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  • Merete Øie,

    1. Division of Mental Health, Innlandet Hospital Trust, Ottestad, Norway
    2. Department of Psychology, University of Oslo, Lillehammer, Norway
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  • Elisabeth Haug,

    1. Division of Mental Health, Innlandet Hospital Trust, Ottestad, Norway
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  • Paul Møller,

    1. Department of Mental Health Research and Development, Division of Mental Health and Addiction, Vestre Viken Hospital Trust, Lier, Norway
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  • Ole A. Andreassen,

    1. KG Jebsen Centre for Psychosis Research, Division of Mental Health and Addiction, Institute of Clinical Medicine, University of Oslo and Oslo University Hospital, Oslo, Norway
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  • Lars Lien,

    1. Division of Mental Health, Innlandet Hospital Trust, Ottestad, Norway
    2. Faculty of Public Health, Hedmark University College, Ottestad, Norway
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  • Ingrid Melle

    1. KG Jebsen Centre for Psychosis Research, Division of Mental Health and Addiction, Institute of Clinical Medicine, University of Oslo and Oslo University Hospital, Oslo, Norway
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  • This work was supported by the Eastern Norway Health Authority (grant #2008-058, 2010-074), the Innlandet Hospital Trust (#150102) and the Research Council of Norway (#167153/V50). The funding sources had no involvement in study design, in collection, analysis and interpretation of data, the writing of the manuscript, or the decision to submit the paper for publication.
  • UB and IM conducted the statistical analyses and drafted the manuscript. EH contributed to the data collection. All authors participated in the planning of the project and critical revisions of the manuscript and have approved the final version.

Abstract

Aim

To investigate self-reported psychiatric and somatic symptoms and health service use at age 16 in persons who later developed a psychotic disorder compared with a control group from the same geographical areas.

Method

Responses concerning psychiatric or somatic health and health service use from Norwegian youth studies in a cohort of 15- and 16-year-olds in three Norwegian counties (N = 11 101, 90% response rate) were gathered. The questionnaire responses from persons later identified with a lifetime diagnosis of DSM-IV (Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition) psychotic disorders (n = 30) (confirmed psychosis, CP) were compared with responses from the rest of the group (population control, PC) (n = 11 067). Follow-up analyses were made for cases with a confirmed onset of a psychotic disorder after the time of the survey (n = 21).

Results

The main significant differences between the CP and PC groups were more self-reported anxiety, depression and ‘feeling in need of treatment for eating disorders’ at age 16 in the CP group. The rate of self-reported eating disorder symptoms alone reached the level of statistical significance in the follow-up analyses. The CP group did not use available health services to a markedly greater extent than the control group.

Conclusion

We found that, in comparison with others, youths who were later identified with a psychotic disorder reported more symptoms at age 16.

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