{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"institution":[{"name":"medRxiv"}],"indexed":{"date-parts":[[2026,5,25]],"date-time":"2026-05-25T15:03:36Z","timestamp":1779721416783,"version":"3.53.1"},"posted":{"date-parts":[[2026,5,21]]},"group-title":"Psychiatry and Clinical Psychology","reference-count":40,"publisher":"openRxiv","license":[{"start":{"date-parts":[[2026,5,21]],"date-time":"2026-05-21T00:00:00Z","timestamp":1779321600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"accepted":{"date-parts":[[2026,5,21]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Escalating mental health service demands have created a need to better identify young people most likely to require continued support from mental health services at the transition between childhood and adulthood. Anxiety is the most common adolescent mental health condition, yet its clinical significance and prognosis are not well understood. We aimed to examine the risk of young adult-onset psychiatric disorders in individuals with an adolescent anxiety disorder, and identify stratifiers of risk of subsequent psychiatric disorders in this group.<\/jats:p>\n                <\/jats:sec>\n                <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>\n                    Individuals from the Norwegian Mother, Father, and Child Cohort Study (MoBa) with linked health records and aged 18 or over as of the 31\n                    <jats:sup>st<\/jats:sup>\n                    December 2023 were included. Those diagnosed with any ICD-10 anxiety disorder when aged 10-17 years were defined as having an adolescent anxiety disorder (n=2107, controls n=47,582). Polygenic scores (PGS) for psychiatric and neurodevelopmental conditions were calculated using LDpred2. Anxiety, comorbidities, and parental psychiatric history were defined through linked ICD-10 diagnoses. Sex was defined through linked records. Individuals were defined as having a young adult-onset psychiatric disorder if they first received any new psychiatric diagnosis aged 18-24.\n                  <\/jats:p>\n                <\/jats:sec>\n                <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Adolescent anxiety diagnosis was associated with increased risk of all adult-onset psychiatric disorders (HR= 2.33-8.65). Post-traumatic stress disorder PGS, parental history of severe mental illness, and female sex were associated with increased risk of transition to a young adult-onset psychiatric disorder in people with an adolescent anxiety disorder.<\/jats:p>\n                <\/jats:sec>\n                <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>Adolescent anxiety greatly increases the risk of a psychiatric disorder during the transition to adult life. Clinicians should consider female sex and parental psychiatric history when prioritising young people with anxiety for adult mental health service support. Future research needs to further consider whether polygenic scores would aid risk stratification in clinical practice.<\/jats:p>\n                <\/jats:sec>","DOI":"10.64898\/2026.05.15.26353293","type":"posted-content","created":{"date-parts":[[2026,5,22]],"date-time":"2026-05-22T02:45:16Z","timestamp":1779417916000},"source":"Crossref","is-referenced-by-count":0,"title":["Stratifying the risk of transition to adult-onset psychiatric disorders in adolescents with anxiety"],"prefix":"10.64898","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7493-2041","authenticated-orcid":false,"given":"Charlotte A.","family":"Dennison","sequence":"first","affiliation":[{"name":"Wolfson Centre for Young People\u2019s Mental Health, Cardiff University, Cardiff, UK"},{"name":"Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1412-5413","authenticated-orcid":false,"given":"Amy","family":"Shakeshaft","sequence":"additional","affiliation":[{"name":"Wolfson Centre for Young People\u2019s Mental Health, Cardiff University, Cardiff, UK"},{"name":"Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5124-5230","authenticated-orcid":false,"given":"Lucy","family":"Riglin","sequence":"additional","affiliation":[{"name":"Wolfson Centre for Young People\u2019s Mental Health, Cardiff University, Cardiff, UK"},{"name":"Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9484-1729","authenticated-orcid":false,"given":"Frances","family":"Rice","sequence":"additional","affiliation":[{"name":"Wolfson Centre for Young People\u2019s Mental Health, Cardiff University, Cardiff, UK"},{"name":"Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4461-3568","authenticated-orcid":false,"given":"Ole","family":"Andreassen","sequence":"additional","affiliation":[{"name":"Centre for Precision Psychiatry, Institute of Clinical Medicine, University of Oslo, Oslo, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0149-5319","authenticated-orcid":false,"given":"Helga","family":"Ask","sequence":"additional","affiliation":[{"name":"PsychGen Centre for Genetic Epidemiology and Mental Health, Norwegian Institute of Public Health, Oslo, Norway"},{"name":"Promenta Research Centre, Department of Psychology, University of Oslo, Oslo, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9268-0423","authenticated-orcid":false,"given":"Alexandra","family":"Havdahl","sequence":"additional","affiliation":[{"name":"PsychGen Centre for Genetic Epidemiology and Mental Health, Norwegian Institute of Public Health, Oslo, Norway"},{"name":"Promenta Research Centre, Department of Psychology, University of Oslo, Oslo, Norway"},{"name":"Research Departement, Lovisenberg Diakonale Hospital, Oslo, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Pine","sequence":"additional","affiliation":[{"name":"Emotion and Development Branch, National Institute of Mental Health, Bethesda, MD, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8911-3479","authenticated-orcid":false,"given":"Joanna","family":"Martin","sequence":"additional","affiliation":[{"name":"Wolfson Centre for Young People\u2019s Mental Health, Cardiff University, Cardiff, UK"},{"name":"Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3689-737X","authenticated-orcid":false,"given":"Anita","family":"Thapar","sequence":"additional","affiliation":[{"name":"Wolfson Centre for Young People\u2019s Mental Health, Cardiff University, Cardiff, UK"},{"name":"Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"54368","reference":[{"key":"2026052507150561000_2026.05.15.26353293v1.1","unstructured":"BMA. 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