What it measures
The PHQ-9 asks about loss of interest, low mood, sleep, energy, appetite, how you see yourself and concentration. Each answer scores 0 to 3 points, for a total of 0 to 27.

Free test · PHQ-9
Shows how much signs of depression have bothered you over the last two weeks. It is not a diagnosis, only a prompt to decide whether to talk to a professional.
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The PHQ-9 asks about loss of interest, low mood, sleep, energy, appetite, how you see yourself and concentration. Each answer scores 0 to 3 points, for a total of 0 to 27.
The test helps you notice that something is off with your mood and decide whether to talk to a professional. A doctor makes a diagnosis after a conversation.
Your score is calculated right in your browser. Your answers reach our server only if you ask for your result by email: we write the email and do not keep them.
Source: PHQ-9: Kroenke K., Spitzer R. L., Williams J. B. W., 2001, Journal of General Internal Medicine 16(9), 606-613. Official English version: Pfizer, phqscreeners.com.