10.118. Patient Health Questionnaire-9 (PHQ-9)¶
[FROM-LP] Recommended by FROM-LP, as part of its condition-specific suggestions. See FROM-LP.
[FROM-Perinatal] Recommended by FROM-Perinatal, as part of the “common mental health disorders” set. See FROM-Perinatal.
10.118.1. 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 PHQ-8.
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/
10.118.3. Intellectual property rights¶
“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.)