Calculator: Depression screening by a nine-item Patient Health Questionnaire (PHQ-9) in adults
Over the last two weeks, how often have you been bothered by any of the following problems?
PHQ-9 score interpretation
|0 to 4 points: No depression|
|5 to 9 points: Mild depression|
|10 to 14 points: Moderate depression|
|15 to 19 points: Moderately severe depression|
|20 to 27 points: Severe depression|
- PHQ-9 is adapted from PRIME MD TODAY, developed by Drs. Robert L Spitzer, Janet BW Williams, Kurt Kroenke, and colleagues, with an educational grant from Pfizer Inc.
- Kroenke K, Spitzer RL. The PHQ-9: A new depression and diagnostic severity measure. Psychiatric Annals 2002; 32:509.