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2020 Jul 15

Eur Child Adolesc Psychiatry

Psychiatric morbidity, somatic comorbidity and substance use in an adolescent psychiatric population at 3-year follow-up.


Gårdvik K S, Rygg M, Torgersen T, Lydersen S, Indredavik MSæbø
Eur Child Adolesc Psychiatry. 2020 Jul 15.
PMID: 32671493.


Knowledge is scarce on the course of psychiatric disorders in adolescence. We aimed to assess changes in the frequency of psychiatric disorders, somatic disorders, pain, and substance use in a clinical psychiatric cohort from adolescence to young adulthood. This study is part of the Health Survey in Department of Children and Youth, St. Olavs Hospital, Norway. At age 13-18 years, 717 (43.5% of eligible) participated in the first study visit (T) in 2009-2011, 549 were reassessed 3 years later with telephone interview (T), and 464 had diagnostic evaluation at both time points. Data included: ICD-10 diagnoses (T), DSM-IV diagnoses (T), self-reported pain and substance use (T and T). The overall rate of psychiatric disorders decreased (T vs. T: 94.8% vs. 72.2%, p < 0.001); while, an increased rate of anxiety disorders was marked among girls (37.5% vs. 55.9%, p < 0.001), with accompanying raised frequencies of psychiatric comorbidity (14.1% vs. 42.6%, p < 0.001), somatic comorbidity (9.4% vs. 19.5%, p = 0.001), chronic pain (31.6% vs. 49.4%, p < 0.001), smoking, alcohol use and trying illicit drugs. Chronic pain, smoking and trying illicit drugs were associated with persisting psychiatric disorders, with highest risk differences for girls (RD = 25.4%, p = 0.002, RD = 15.6%, p = 0.008, RD = 18.0%, p = 0.001, respectively). Three out of four adolescents still had a psychiatric disorder after 3 years. Unlike boys, girls had an increasing rate of anxiety disorders and comorbidities. Chronic pain, smoking and trying illicit drugs were associated with persisting psychiatric disorders. Despite methodological limitations, these findings emphasize the importance of early targeted intervention for adolescents with psychiatric disorders.