ArticlePloS one2022
A DSM-5 AMPD and ICD-11 compatible measure for an early identification of personality disorders in adolescence-LoPF-Q 12-18 latent structure and short form.
Article in PloS one, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed.
- Latent Structure and Incremental Validity of the Semi-Structured Interview for Personality Functioning DSM-5 (STiP-5.1) in a Lithuanian Adolescent Sample.Personality and mental health · 2026Article
- Toward a hybrid assessment framework for adolescent borderline personality disorder: a mini review of personality functioning, digital biomarkers, and AI-supported assessment.Frontiers in psychiatry · 2026Review
- Personality functioning in adolescents with depression: links with childhood maltreatment, psychopathology, self-harm and suicidal ideation.Frontiers in psychiatry · 2026Article
- From adolescence to adulthood: validation of the levels of personality functioning questionnaire in a Turkish adult sample.Frontiers in psychiatry · 2026Article
- The validity, reliability and clinical utility of the Alternative DSM-5 Model for Personality Disorders (AMPD) according to DSM-5 revision criteria.World psychiatry : official journal of the World Psychiatric Association (WPA) · 2025Article
- Mapping the Mind: Gray Matter Signatures of Personality Pathology in Female Adolescent Anorexia Nervosa Persist Through Treatment.Journal of clinical medicine · 2025Article
- Personality functioning in adolescents and its association with health-related quality of life and physical fitness.AIMS public health · 2025Article
- Social and Monetary Reward Processing in Youth with Early Emerging Personality Pathology: An RDoC-Informed Study.Research on child and adolescent psychopathology · 2024Article
- The influence of adolescents' self-perception of social relationships on personality functioning in the context of inclusive education.Frontiers in psychology · 2024Article
- Mental Health Information Reporting Assistant (MHIRA)-an open-source software facilitating evidence-based assessment for clinical services.BMC psychiatry · 2023Review
- Impaired Personality Functioning in Children and Adolescents Assessed with theChildren (Basel, Switzerland) · 2023Article
- Differential Diagnosis of ICD-11 Personality Disorder and Autism Spectrum Disorder in Adolescents.Children (Basel, Switzerland) · 2023Article
- Diagnostic accuracy of severity measures of ICD-11 and DSM-5 personality disorder: clarifying the clinical landscape with the most up-to-date evidence.Frontiers in psychiatry · 2023Review
- Comparing Differences between Two Groups of Adolescents Hospitalized for Self-Harming Behaviors with and without Personality Disorders.Journal of clinical medicine · 2022Article
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7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The LoPF-Q 12-18 (Levels of Personality Functioning Questionnaire) was designed for clinical use and to promote early detection of personality disorder (PD). It is a self-report measure with 97 items to assess personality functioning in adolescents from 12 years up. It operationalizes the dimensional concept of personality disorder (PD) severity used in the Alternative DSM-5 Model for Personality Disorders and the ICD-11. In this study, we investigated the factorial structure of the LoPF-Q 12-18. Additionally, a short version was developed to meet the need of efficient screening for PD in clinical and research applications. To investigate the factorial structure, several confirmatory factor analysis models were compared. A bifactor model with a strong general factor and four specific factors showed the best nominal fit (CFI = .91, RMSEA = .04, SRMR = .07). The short version was derived using the ant colony optimization algorithm. This procedure resulted in a 20-item version with excellent fit for a hierarchical model with four first order factors to represent the domains and a secondary higher order factor to represent personality functioning (CFI = .98, RMSEA = .05, SRMR = .04). Clinical validity (effect size d = 3.1 between PD patients and controls) and clinical utility (cutoff ≥ 36 providing 87.5% specificity and 80.2% sensitivity) for detecting patients with PD were high for the short version. Both, the long and short LoPF-Q 12-18 version are ready to be used for research and diagnostic purposes.
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