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Validity of a two-item screen for early psychosis.
Phalen, Peter L; Rouhakhtar, Pamela Rakhshan; Millman, Zachary B; Thompson, Elizabeth; DeVylder, Jordan; Mittal, Vijay; Carter, Evan; Reeves, Gloria; Schiffman, Jason.
Afiliación
  • Phalen PL; Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, USA; Mental Illness Research, Education and Clinical Center (MIRECC), Baltimore VA Medical Center, Baltimore, MD, USA.
  • Rouhakhtar PR; Department of Psychology, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA.
  • Millman ZB; Department of Psychology, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA.
  • Thompson E; Department of Psychiatry and Human Behavior, Brown University, Alpert Medical School, Providence, RI, USA.
  • DeVylder J; Graduate School of Social Service, Fordham University, New York, NY, USA.
  • Mittal V; Department of Psychology, Northwestern University, Evanston, IL, USA.
  • Carter E; Human Research and Engineering Directorate (HRED), United States Army Research Laboratory, Adelphi, MD, USA.
  • Reeves G; Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, USA.
  • Schiffman J; Department of Psychology, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA. Electronic address: schiffma@umbc.edu.
Psychiatry Res ; 270: 861-868, 2018 12.
Article en En | MEDLINE | ID: mdl-30551336
Well-validated screening tools have been developed to identify people at high risk for psychosis, but these are rarely used outside of specialty clinics or research settings. The development of extremely brief and simple screening tools could increase dissemination, especially in settings with low buy-in such as those with low base rates of psychosis and/or time constraints. We sought to identify such a brief measure by modeling participant responses to three psychosis screening questionnaires (Prime Screen; Prodromal Questionnaire-Brief; Youth Psychosis At Risk Questionnaire) in a sample of 139 help-seeking individuals and 335 college students (age range: 12-25). Two screening questions with especially strong information characteristics were identified: "Do you see things that others can't or don't see?" and "Have you ever felt that someone was playing with your mind?" (Alternative two-item screens with similarly strong properties were also identified and validated using uncertainty quantified through Bayesian modeling.) The resulting measure was validated against clinician ratings of psychosis. The screen performed with a sensitivity of 53% and specificity 98% for clinically significant hallucinations or delusions, and sensitivity of 32% and specificity 99% for identifying people in an early phase of psychosis (clinical high risk or first episode psychosis).
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Pruebas Psicológicas / Trastornos Psicóticos / Encuestas y Cuestionarios Tipo de estudio: Diagnostic_studies / Prognostic_studies Límite: Adolescent / Adult / Child / Female / Humans / Male Idioma: En Revista: Psychiatry Res Año: 2018 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Irlanda
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Pruebas Psicológicas / Trastornos Psicóticos / Encuestas y Cuestionarios Tipo de estudio: Diagnostic_studies / Prognostic_studies Límite: Adolescent / Adult / Child / Female / Humans / Male Idioma: En Revista: Psychiatry Res Año: 2018 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Irlanda