PHQ-9: Patient Health questionnaire 9 for depression severity
The PHQ-9 model consists of 9 questions which enables the physician to measure the severity of depression and monitor it over the course of treatment.

Instructions:
Over the last 2 weeks, how often have you been bothered by any of the following problems? 
Research authors: Kroenke K, Spitzer RL, Williams JBW
Version: 1.5
  • Public
  • Psychiatry
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The PHQ-9 total score contains: Points

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PHQ-9 score of ≥10 has a sensitivity of 88% and a specificity of 88% in detecting MDD.

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This model is provided for educational, training and information purposes. It must not be used to support medical decision making, or to provide medical or diagnostic services. Read our full disclaimer.

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