From The Telegraph: Depression is being overdiagnosed due to doctors’ reliance on a nine-question form designed by pharmaceutical company Pfizer to assess patients for depression.
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I did some quick research on the PHQ-9 Patient Health Questionnaire with interesting results. Robert Spitzer and Janet Williams were two of its original authors (http://onlinelibrary.wiley.com/doi/10.1046/j.1525-1497.2001.016009606.x/full). Spitzer and Williams (husband and wife) are historically tied to the development of the DSM-III. Additionally, there is a TWO item scale (PHQ-2; http://journals.lww.com/lww-medicalcare/Abstract/2003/11000/The_Patient_Health_Questionnaire_2__Validity_of_a.8.aspx) and there is a brief scale used to assess anxiety, the GAD-7 (http://www.sciencedirect.com/science/article/pii/S0163834310000563)!
