It may be simple to tell if you have a cold or a headache, but it may not be as obvious when you have mental health difficulties. The Patient Health Questionnaire-9 (PHQ-9) is a self-assessment tool for signs of Depression. It is a valid assessment tool and can indicate if you need to consider getting a Diagnostic Assessment and support.
The Patient Health Questionnaire-9 (PHQ-9) is not a diagnostic tool and is not intended to replace a consultation with an appropriately trained professional.
Please read each question carefully before selecting a response.
(The PHQ-9 was developed by Drs. Robert L. Spitzer, Janet B.W. Williams, Kurt Kroenke and colleagues, with an educational grant from Pfizer Inc.)
In the last two weeks, how often have you been bothered by any of the following problems?