.. docs/source/tasks/phq9.rst
.. Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
Created by Rudolf Cardinal (rnc1001@cam.ac.uk).
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This file is part of CamCOPS.
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CamCOPS is free software: you can redistribute it and/or modify
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You should have received a copy of the GNU General Public License
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.. _phq9:
Patient Health Questionnaire-9 (PHQ-9)
--------------------------------------
.. include:: include_from_lp_specific.rst
.. include:: include_from_perinatal_common.rst
History and guide
~~~~~~~~~~~~~~~~~
See Spitzer et al. (1999, as below) and the instructions
(http://www.phqscreeners.com/instructions/instructions.pdf).
A score of ≥10 identifies major depressive disorder (MDD) with sensitivity
77-88%, specificity 88-94% (Kroenke et al. 2010, as below).
See also the :ref:`PHQ-8 `.
Source
~~~~~~
- Original source is at http://www.phqscreeners.com.
- Spitzer RL, Kroenke K, Williams JB (1999).
Validation and utility of a self-report version of PRIME-MD: the PHQ primary
care study. Primary Care Evaluation of Mental Disorders. Patient Health
Questionnaire.
*JAMA* 282: 1737-44.
https://pubmed.ncbi.nlm.nih.gov/10568646/
- Kroenke K, Spitzer RL, Williams JBW, Löwe B (2010).
The Patient Health Questionnaire Somatic, Anxiety, and Depressive Symptom
Scales: a systematic review.
*Gen Hosp Psychiatry* 32: 345-59.
https://pubmed.ncbi.nlm.nih.gov/20633738/
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.)
- Newman JC, Feldman R (2011).
Copyright and open access at the bedside.
*NEJM* 365: 2247.
https://pubmed.ncbi.nlm.nih.gov/22204721/;
http://www.nejm.org/doi/full/10.1056/NEJMp1110652