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PHQ-9
(Patient Health Questionnaire-9)
Focus:
The PHQ-9 assesses the presence and severity of depressive symptoms in clinical and research settings.
Pertinent Survey:
- Body Part: Psychological / Mental Health
- Area Of Focus: Depression, Mood Disorders, Functional Impairment
A validated, widely used PROM for depression screening and monitoring.
Description:
The PHQ-9 includes 9 items aligned with DSM-5 criteria for depression, scored 0–3. Total scores range from 0–27, with higher scores indicating more severe depressive symptoms. It is frequently used in primary care, mental health services, and research to guide treatment decisions.
Use Cases:
- Screening for depression in adults.
- Monitoring response to antidepressant therapy.
- Supporting mental health interventions in primary care.
- Research on prevalence and outcomes of depression.
- Evaluating functional impairment related to depressive symptoms.
Number Of Questions:
9
Click here to view the questionnaire.
Questionnaire Survey Consists of:
9 items assessing:
- Mood
- Interest/pleasure
- Sleep
- Energy
- Appetite
