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Clinically Validated
Done in
2–5 mins
2–5 mins
to complete
Instant results

Do I have
major depressive disorder?

While it’s normal to feel low during difficult times, major depressive disorder (MDD) goes beyond temporary sadness and can begin to affect your daily life and activities you once enjoyed. Taking this quiz can help you see whether what you’re experiencing aligns with common signs of depression.
Questionnaire created by
Kurt Kroenke, MD
et al.
Indiana University School of Medicine
Free
No email required
Disclaimer: This tool is for educational purposes only and does not constitute medical advice or diagnosis. Always consult a healthcare provider for proper evaluation.
Created by a team of leading researchers in MDD:
David Cella, PhD

(Ph.D)

Center for Patient Centered Outcomes @ Northwestern

Young Shin Kim

(Ph.D)

Director - Psychiatric Genetic Epidemiology Program at UCSF

David Furman

(Ph.D)

Director - Stanford 1000 Immunomes Project, Buck Institute

Jacob Hooker

(Ph.D)

Science Director - Massachusetts General Hospital

Sarabeth Broder-Fingert

(Ph.D)

Scientific Director - U.MASS Memorial Hospital

Ken Mahaffey

(Ph.D)

Professor of Medicine - Stanford Expert in multicenter clinical trials

Kiki Chang

(Ph.D)

Professor of Psychiatry & Behavioral Sciences - University of Texas

Why should I take the PHQ-9 quiz?
How does the PHQ-9 quiz work?
What do I do with the results of the PHQ-9 quiz?
Can the PHQ-9 quiz diagnose Depression?
How long does the PHQ-9 quiz take?
Free
No email required

Why start with the PHQ-9 quiz?

Taking the quiz can help you put words to how you’ve been feeling. From there, the Human Health app lets you track symptoms over time and bring clearer information into conversations with healthcare professionals.

Validated tool

The PHQ-9 is a recognized tool used in mental health research and clinical practice.

Self-assessment

See whether the symptoms you’re experiencing align with common MDD signs.

Support conversations

Use your results to advocate for further evaluation and support.

What comes after the quiz?

Empower yourself with the Human Health app

Track your mood and emotional well-being

Identify patterns in your feelings

Share insights with your healthcare provider

What comes after the quiz?

Empower yourself with the Human Health app

Track your mood and emotional well-being

Identify patterns in your feelings

Share insights with your healthcare provider

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