PHQ-9 Depression Test Questionnaire
iOS app by Andrey Fetisov. Medical · Andrey Fetisov
- Store rating
- 3.57 / 5
- Store rating count
- 7
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0.1
- Listing last refreshed
- 2026-09-08
View the original store listing
Store description excerpt
The Patient Health Questionnaire (PHQ) is a multiple-choice self-report inventory copyrighted by Pfizer Inc, that is used as a screening and diagnostic tool for mental health disorders of depression, anxiety, alcohol, eating, and somatoform. It is the self-report version of the Primary Care Evaluation of Mental Disorders (PRIME-MD), a diagnostic tool developed in the mid-1990s by Pfizer Inc.
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