PHQ-9: Depression Screening Questionnaire
The Patient Health Questionnaire-9 (PHQ-9) is a widely-used, evidence-based screening tool for depression. This validated assessment helps evaluate the presence and severity of depressive symptoms over the past two weeks. Used by healthcare professionals worldwide, the PHQ-9 provides reliable insights into your emotional well-being and mental health status, helping you understand when professional support might be beneficial.
How the PHQ-9 Assessment Works
This scientifically validated questionnaire evaluates nine core symptoms of depression based on DSM-5 criteria.
Answer 9 questions about your feelings and experiences over the past 2 weeks
Rate each symptom on a scale from "not at all" to "nearly every day"
Receive your total score and interpretation based on clinical guidelines
Get personalized recommendations based on your results
Understanding Your PHQ-9 Score
Your total score ranges from 0-27 and indicates the severity of depressive symptoms.
Minimal Depression
Few or no depressive symptoms present
Mild Depression
Some depressive symptoms with minimal functional impairment
Moderate Depression
Moderate depressive symptoms affecting daily functioning
Moderately Severe
Significant depressive symptoms requiring attention
Severe Depression
Severe symptoms requiring immediate professional help
Frequently Asked Questions
Is the PHQ-9 a diagnostic tool?
No, the PHQ-9 is a screening tool, not a diagnostic instrument. While it can indicate the presence and severity of depressive symptoms, only qualified healthcare professionals can make clinical diagnoses.
How accurate is the PHQ-9?
The PHQ-9 has excellent reliability and validity, with sensitivity and specificity rates above 80% for detecting major depression. It's widely used in clinical practice and research.
What should I do if I score high?
Higher scores indicate more severe symptoms and suggest you should consider speaking with a healthcare provider, therapist, or counselor for professional evaluation and support.
Can I take this test multiple times?
Yes, the PHQ-9 can be taken periodically to monitor changes in symptoms over time. Many healthcare providers use it to track treatment progress.
PHQ-9 Attribution
Source: Kroenke, K., Spitzer, R. L., & Williams, J. B. (2001)
Reference: The PHQ-9: validity of a brief depression severity measure. Journal of General Internal Medicine, 16(9), 606-613.
Important Disclaimer
Not a medical diagnosis: This assessment is for informational purposes only and does not replace professional medical or psychological consultation.
Seek professional help: If you're experiencing significant distress or symptoms, please consult with a qualified healthcare provider.
Privacy: Your responses are processed confidentially and are not shared with third parties.
Ready to Take the PHQ-9?
Start your assessment now and gain valuable insights into your Mental Health. The test takes only 3-5 minutes to complete.