Patient Health Questionnaire – 9 (PHQ-9)


The PHQ-9 is a 9-item questionaire. Intended to screen for the presence and severity of depression.

Scored by summing the total scores, for more information see files in downloads and links.

Copyright Restrictions:

Pfizer Inc., is the legal copyright holder. No permission is required to reproduce, translate, display or distribute the PHQ-9.

Ensure authors are cited.

Ethical Considerations:

Item 9 may invoked undesirable feelings for the participant. Ensure appropriate debrief/aftercare.

Downloads & Links