An ultra-brief depression prescreen. A score of 3 or higher warrants administration of the full PHQ-9.
Publisher: Developed by Drs. Kroenke, Spitzer, and Williams with an unrestricted educational grant from Pfizer Inc.
Citation: Kroenke, K., Spitzer, R.L., & Williams, J.B.W. (2003). The Patient Health Questionnaire-2: Validity of a two-item depression screener. Medical Care, 41(11), 1284-1292.