The PHQ-9 (Patient Health Questionnaire-9) objectifies and assesses degree of depression severity via questionnaire.

Developed by Drs. Robert L. Spitzer, Janet B.W. Williams, Kurt Kroenke and colleagues, with an educational grant from Pfizer Inc. No permission required to reproduce, translate, display or …

Nov 18, 2025 · This article explains the Patient Health Questionnaire 9-item (PHQ-9) screening tool. Learn what it is, how it helps assess depression, and how you can use the results to track …

Patient Health Questionnaire-9 (PHQ-9) Share The PHQ-9 is a multipurpose instrument for screening, diagnosing, monitoring and measuring the severity of depression.

We investigated responsiveness to treatment, reproducibility, and minimal clinically important difference of the Patient Health Questionnaire-9 (PHQ-9), a standard instrument for …

The Severity Measure for Depression—Adult (adapted from the Patient Health Questionnaire–9 [PHQ-9]) is a self-rated 9-item measure that assesses the severity of depressive symptoms in …

DEPRESSION SCREEN (Patient Health Questionnaire 2 and 9) The PHQ 9 is a validated questionnaire that reviews the 9 key symptoms of depression based on the DSM diagnostic …

Oct 4, 2005 · Patient completes PHQ-9 Quick Depression Assessment. If there are at least 4 3s in the shaded section (including Questions #1 and #2), consider a depressive disorder. Add …

PHQ-9 scores can be used to plan and monitor treatment. To score the instrument, tally the numbers of all the checked responses under each heading (not at all=0, several days=1, more …

Oct 4, 2005 · Patient completes PHQ-9 Quick Depression Assessment. If there are at least 4 s in the shaded section (including Questions #1 and #2), consider a depressive disorder. Add …