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Generalised Anxiety Disorder Questionnaire (GAD-7)

This easy-to-use self-administered patient questionnaire is used as a screening tool and severity measure for generalised anxiety disorder (GAD)

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

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Felt nervous, anxious or on edge?

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

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Not been able to stop or control worrying?

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

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Worried too much about different things?

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

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Had trouble relaxing?

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

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Been so restless that is hard to sit still?

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

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Become easily annoyed or irritable?

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

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Felt afraid as if something awful might happen?

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]