This anonymous self-screening test is known as the Patient Health Questionnaire 9 (PHQ-9). It’s meant to help measure depression severity.

Developed by Drs. Robert L. Spitzer, Janet B.W. Williams, Kurt Kroenke, and colleagues with an educational grant from Pfizer Inc.


Over the last 2 weeks, how often have you been bothered by any of the following problems?

  • Assessment

  • This field is for validation purposes and should be left unchanged.