..  docs/source/tasks/phq15.rst

..  Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
    Created by Rudolf Cardinal (rnc1001@cam.ac.uk).
    .
    This file is part of CamCOPS.
    .
    CamCOPS is free software: you can redistribute it and/or modify
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.. _phq15:

Patient Health Questionnaire-15 (PHQ-15)
----------------------------------------

History and guide
~~~~~~~~~~~~~~~~~

See Kroenke et al. (2002) (http://www.ncbi.nlm.nih.gov/pubmed/11914441) and the
instructions (http://www.phqscreeners.com/instructions/instructions.pdf).

The presence of ≥3 severe symptoms ("bothered a lot") identifies **somatoform
disorder** with sensitivity 78%, specificity 71% (Kroenke et al. 2010,
http://www.ncbi.nlm.nih.gov/pubmed/20633738).

Source
~~~~~~

Original source is at http://www.phqscreeners.com.

Intellectual property rights
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Public domain.

- “All PHQ, GAD-7 screeners and translations are downloadable from this website
  and no permission is required to reproduce, translate, display or distribute
  them. Relevant articles and a bibliography are also freely available.”
  (http://www.phqscreeners.com/overview.aspx, accessed 2012-09-04.)

- “All of the measures included in Table 1 are in the public domain. No
  permission is required to reproduce, translate, display or distribute.”
  (http://www.phqscreeners.com/instructions/instructions.pdf, accessed
  2012-09-04.)