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Patient Health Questionnaire (PHQ-9)

The PHQ-9 is a multipurpose instrument for screening, diagnosing, monitoring and measuring the severity of depression.

 Step-by-step
1 Over the last two weeks, how often have you been bothered by...

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 Need help?

Little interest or pleasure in doing things

 2 Over the last two weeks, how often have you been bothered by...

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 Need help?

Feeling down, depressed or hopeless

 3 Over the last two weeks, how often have you been bothered by...

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 Need help?

Trouble falling asleep, staying asleep, or sleeping too much

 4 Over the last two weeks, how often have you been bothered by...

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Feeling tired or having little energy

 5 Over the last two weeks, how often have you been bothered by...

Poor appetite or overeating

 6 Over the last two weeks, how often have you been bothered by...

Feeling bad about yourself - or that you’re a failure or have let yourself or your family down

 7 Over the last two weeks, how often have you been bothered by...

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 Need help?

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

 8 Over the last two weeks, how often have you been bothered by...

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 Over the last two weeks, how often have you been bothered by...

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

[To be replaced with PHQ-9 text] The GAD-7 originates from Spitzer RL, Kroenke K, Williams JB, et al; A brief measure for assessing generalized anxiety disorder: the GAD-7. Arch Intern Med. 2006 May 22;166(10):1092-7. GAD-7 © Pfizer Inc. all rights reserved; used with permission.

The GAD-7 score is calculated by assigning scores of 0, 1, 2, and 3, to the response categories of 'not at all', 'several days', 'more than half the days', and 'nearly every day', respectively, and adding together the scores for the seven questions.

Scores of 5, 10, and 15 are taken as the cut-off points for mild, moderate and severe anxiety, respectively. When used as a screening tool, further evaluation is recommended when the score is 10 or greater.

Using the threshold score of 10, the GAD-7 has a sensitivity of 89% and a specificity of 82% for GAD. It is moderately good at screening three other common anxiety disorders - panic disorder (sensitivity 74%, specificity 81%), social anxiety disorder (sensitivity 72%, specificity 80%) and post-traumatic stress disorder (sensitivity 66%, specificity 81%).[3]