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Patient Health Questionnaire (PHQ-9) - Short Form
26/05/2008
Tool Information
Tool Description
This is a screener questionnaire to classify older people in terms of depression and depressive disorders (no - mild- moderate/major - severe depressive disorder). This is the short form of the instrument.Tool Characteristics
Application in the Field: Applied internationally
Tool mainly used in: United States
Stage of Development: Well established
Evaluation and Research: Studies/Technical Data available
Beneficiary Involvement in Design: Descriptor not applicable