Patient Health Questionnaire-9 (PHQ-9)

  • Summary from Wikipedia: The nine-item Patient Health Questionnaire (PHQ-9) is a depressive symptom scale and diagnostic tool introduced in 2001 to screen adult patients in primary care settings. The instrument assesses for the presence and severity of depressive symptoms and a possible depressive disorder.
  • Author: Drs. Robert L. Spitzer, Janet B.W. Williams, Kurt Kroenke, and colleagues
  • License: "Content found at the PHQ Screeners site is expressly exempted from Pfizer’s general copyright restrictions; content found on the PHQ Screeners site is free for download and use as stated within the PHQ Screeners site."
  • Sources: overview, test, instructions

Questions

Over the last 2 weeks, how often have you been bothered by any of the following problems?

1. Little interest or pleasure in doing things



2. Feeling down, depressed, or hopeless



3. Trouble falling or staying asleep, or sleeping too much



4. Feeling tired or having little energy



5. Poor appetite or overeating



6. Feeling bad about yourself — or that you are a failure or have let yourself or your family down



7. Trouble concentrating on things, such as reading the newspaper or watching television



8. Moving or speaking so slowly that other people could have noticed? Or the opposite — being so fidgety or restless that you have been moving around a lot more than usual



9. Thoughts that you would be better off dead or of hurting yourself in some way



Results

Please complete the above questions and click the `Score` button to process results.

The possible severities are: none (0+), mild (5+), moderate (10+), moderately severe (15+), severe (20+).
The max possible score is 27. A higher score is worse.