title: Subclinical psychotic experiences and subsequent contact with mental health services.
abstract: BACKGROUND
  Although psychotic experiences in people without diagnosed mental health problems are associated with mental health service use, few studies have assessed this prospectively or measured service use by real-world clinical data.
  
  
  OBJECTIVE
  To describe and investigate the association between psychotic experiences and later mental health service use, and to assess the role of symptoms of common mental health disorders in this association.
  
  
  METHODS
  We linked a representative survey of south-east London (SELCoH-1,n=1698) with health records from the local mental healthcare provider. Cox regression estimated the association of PEs with rate of mental health service use.
  
  
  RESULTS
  After adjustments, psychotic experiences were associated with a 1.75-fold increase in the rate of subsequent mental health service use (hazard ratio (HR) 1.75, 95% CI 1.03-2.97) compared with those without PEs. Participants with PEs experienced longer care episodes compared with those without.
  
  
  CONCLUSIONS
  Psychotic experiences in the general population are important predictors of public mental health need, aside from their relevance for psychoses. We found psychotic experiences to be associated with later mental health service use, after accounting for sociodemographic confounders and concurrent psychopathology.
  
  
  BACKGROUND
  None.
  © The Royal College of Psychiatrists 2017. This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY) license.
authors.affiliation: , MRCPsych, Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
authors.forename: Vishal
authors.initials: V
authors.lastname: Bhavsar
authors.affiliation: , PhD, Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
authors.forename: James H
authors.initials: JH
authors.lastname: Maccabe
authors.affiliation: , PhD, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; South London and Maudsley NHS Foundation Trust, London, UK.
authors.forename: Stephani L
authors.initials: SL
authors.lastname: Hatch
authors.affiliation: , PhD, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; South London and Maudsley NHS Foundation Trust, London, UK.
authors.forename: Matthew
authors.initials: M
authors.lastname: Hotopf
authors.affiliation: , PhD, Cornwall Partnership NHS Foundation Trust, Bodmin, UK.
authors.forename: Jane
authors.initials: J
authors.lastname: Boydell
authors.affiliation: , PhD, Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
authors.forename: Philip
authors.initials: P
authors.lastname: McGuire