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.
Pfizer Inc., is the legal copyright holder. No permission is required to reproduce, translate, display or distribute the PHQ-9.
Ensure authors are cited.
Item 9 may invoked undesirable feelings for the participant. Ensure appropriate debrief/aftercare.