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PHQ-9 (Patient Health Questionnaire-9)

Step-by-step mode. Answer each question and result updates automatically.

Step 1 of 10 10%

Little interest or pleasure in doing things? *

Step 1 of 10

Feeling down, depressed, or hopeless? *

Step 2 of 10

Trouble falling or staying asleep, or sleeping too much? *

Step 3 of 10

Feeling tired or having little energy? *

Step 4 of 10

Poor appetite or overeating? *

Step 5 of 10

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

Step 6 of 10

Trouble concentrating on things, such as reading the newspaper or watching television? *

Step 7 of 10

Moving or speaking so slowly that other people could have noticed? Or so fidgety or restless that you have been moving a lot more than usual? *

Step 8 of 10

Thoughts that you would be better off dead, or thoughts of hurting yourself in some way? *

Step 9 of 10

Ask the patient: how difficult have these problems made it to do work, take care of things at home, or get along with other people?

Step 10 of 10

All questions complete

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    Kroenke K, Spitzer RL, Williams JB. The PHQ-9: validity of a brief depression severity measure. J Gen Intern Med. 2001;16(9):606-613.
    Spitzer RL, Kroenke K, Williams JB. Validation and utility of a self-report version of PRIME-MD. JAMA. 1999;282(18):1737-1744.
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