Bridging Perspectives: Clinician–Adolescent Agreement on Psychopathological Severity in the European MILESTONE Cohort.

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Title: Bridging Perspectives: Clinician–Adolescent Agreement on Psychopathological Severity in the European MILESTONE Cohort.
Authors: Marcolini, Federica (AUTHOR), Magno, Marta (AUTHOR), Leone, Silvia (AUTHOR), Martella, Donato (AUTHOR), Leucci, Anna Caterina (AUTHOR), Atti, Anna Rita (AUTHOR), Cortese, Samuele (AUTHOR), De Ronchi, Diana (AUTHOR), Dieleman, Gwen (AUTHOR), Franic, Tomislav (AUTHOR), Gerritsen, Suzanne (AUTHOR), Maras, Athanasios (AUTHOR), McNicholas, Fiona (AUTHOR), Purper‐Ouakil, Diane (AUTHOR), Santosh, Paramala (AUTHOR), Schulze, Ulrike M. E. (AUTHOR), Street, Cathy (AUTHOR), Singh, Swaran (AUTHOR), Tremmery, Sabine (AUTHOR), Tuomainen, Helena (AUTHOR)
Source: Journal of Clinical Psychology. Mar2026, Vol. 82 Issue 3, p317-329. 13p.
Subjects: Transitional care, Inter-observer reliability, Consensus (Social sciences), Mental illness, Psychological tests, Attention-deficit hyperactivity disorder, Cohort analysis, Pathological psychology
Abstract: Objectives: Adolescents transitioning from child and adolescent mental health services (CAMHS) to adult mental health services (AMHS) may face challenges in accurately identifying and reporting their mental health symptoms, often leading to discrepancies between clinician and patient evaluations. Using data from the MILESTONE project, this study aims to assess clinician‐adolescent concordance over 24 months and identify domains of psychopathology with the highest disparities. Methods: Participants were assessed at baseline, 9, 15, and 24 months using the Health of the Nation Outcome Scales for Children and Adolescents (HoNOSCA) scale and were categorized in four diagnostic groups. Hierarchical cluster analysis identified symptom‐based subgroups of patients based on clinician and patient‐rated HoNOSCA scores. Concordance was evaluated through multilevel linear regression models, while Bland–Altman plots examined agreement between scores across time points. Results: Two clusters of patients were identified: one characterized by lower severity and greater prevalence, the other by higher complexity and fewer individuals. Clinician–patient concordance increased over time, rising from 77% to 83% by the second time point and stabilizing. Concordance varied across diagnostic categories, with anxiety showing the highest agreement and ADHD the lowest. Conclusions: Improved communication, psychoeducation, and tailored interventions may facilitate greater patient–clinician alignment, thereby supporting more favorable outcomes during this critical developmental period. Trial Registration: ISRCTN83240263; NCT03013595 [ABSTRACT FROM AUTHOR]
Copyright of Journal of Clinical Psychology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Bridging Perspectives: Clinician–Adolescent Agreement on Psychopathological Severity in the European MILESTONE Cohort.
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  Data: <searchLink fieldCode="AR" term="%22Marcolini%2C+Federica%22">Marcolini, Federica</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Magno%2C+Marta%22">Magno, Marta</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Leone%2C+Silvia%22">Leone, Silvia</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Martella%2C+Donato%22">Martella, Donato</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Leucci%2C+Anna+Caterina%22">Leucci, Anna Caterina</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Atti%2C+Anna+Rita%22">Atti, Anna Rita</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cortese%2C+Samuele%22">Cortese, Samuele</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22De+Ronchi%2C+Diana%22">De Ronchi, Diana</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dieleman%2C+Gwen%22">Dieleman, Gwen</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Franic%2C+Tomislav%22">Franic, Tomislav</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gerritsen%2C+Suzanne%22">Gerritsen, Suzanne</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Maras%2C+Athanasios%22">Maras, Athanasios</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22McNicholas%2C+Fiona%22">McNicholas, Fiona</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Purper‐Ouakil%2C+Diane%22">Purper‐Ouakil, Diane</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Santosh%2C+Paramala%22">Santosh, Paramala</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schulze%2C+Ulrike+M%2E+E%2E%22">Schulze, Ulrike M. E.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Street%2C+Cathy%22">Street, Cathy</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Singh%2C+Swaran%22">Singh, Swaran</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tremmery%2C+Sabine%22">Tremmery, Sabine</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tuomainen%2C+Helena%22">Tuomainen, Helena</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Clinical+Psychology%22">Journal of Clinical Psychology</searchLink>. Mar2026, Vol. 82 Issue 3, p317-329. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Transitional+care%22">Transitional care</searchLink><br /><searchLink fieldCode="DE" term="%22Inter-observer+reliability%22">Inter-observer reliability</searchLink><br /><searchLink fieldCode="DE" term="%22Consensus+%28Social+sciences%29%22">Consensus (Social sciences)</searchLink><br /><searchLink fieldCode="DE" term="%22Mental+illness%22">Mental illness</searchLink><br /><searchLink fieldCode="DE" term="%22Psychological+tests%22">Psychological tests</searchLink><br /><searchLink fieldCode="DE" term="%22Attention-deficit+hyperactivity+disorder%22">Attention-deficit hyperactivity disorder</searchLink><br /><searchLink fieldCode="DE" term="%22Cohort+analysis%22">Cohort analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Pathological+psychology%22">Pathological psychology</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Objectives: Adolescents transitioning from child and adolescent mental health services (CAMHS) to adult mental health services (AMHS) may face challenges in accurately identifying and reporting their mental health symptoms, often leading to discrepancies between clinician and patient evaluations. Using data from the MILESTONE project, this study aims to assess clinician‐adolescent concordance over 24 months and identify domains of psychopathology with the highest disparities. Methods: Participants were assessed at baseline, 9, 15, and 24 months using the Health of the Nation Outcome Scales for Children and Adolescents (HoNOSCA) scale and were categorized in four diagnostic groups. Hierarchical cluster analysis identified symptom‐based subgroups of patients based on clinician and patient‐rated HoNOSCA scores. Concordance was evaluated through multilevel linear regression models, while Bland–Altman plots examined agreement between scores across time points. Results: Two clusters of patients were identified: one characterized by lower severity and greater prevalence, the other by higher complexity and fewer individuals. Clinician–patient concordance increased over time, rising from 77% to 83% by the second time point and stabilizing. Concordance varied across diagnostic categories, with anxiety showing the highest agreement and ADHD the lowest. Conclusions: Improved communication, psychoeducation, and tailored interventions may facilitate greater patient–clinician alignment, thereby supporting more favorable outcomes during this critical developmental period. Trial Registration: ISRCTN83240263; NCT03013595 [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Clinical Psychology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/jclp.70073
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