Patient Health Questionnaire-9 (PHQ-9) Test
Understand depression symptom severity in about 2 minutes. Nine focused items deliver a clear snapshot to guide next steps and referrals.
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08:30
Scale Explorer
How the Scales are Structured
DATA-BASED USER COHORTS
Who Usually Takes This Test?
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
RESULTS YOU CAN ACTUALLY USE
Benchmarking
See How You Compare
Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Below is a preview of how scores are typically distributed across each scale.
Depression Level (DL)
Average
11
Normal range
7.6 — 14.5
min.
0
max.
27
Majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
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CLEAR ANSWERS TO COMMON QUESTIONS
Frequently Asked Questions
What does this questionnaire measure?
It screens for common depressive symptoms and estimates their severity. It is intended for rapid symptom review, not a stand-alone diagnosis.
What time period should be used when answering?
Answer based on the past two weeks. Use the option that best matches how often each symptom occurred during that period.
How long does it take to complete?
Most individuals complete it in about 2 minutes. It includes 9 items.
How should the frequency options be selected?
Select one response per item that reflects frequency, from “not at all” to “nearly every day.” If uncertain, choose the closest estimate.
What should be done if responses indicate severe symptoms or thoughts of self-harm?
Arrange prompt clinical evaluation and follow local safety procedures. Do not use the results as the only basis for risk decisions.
WHAT THE TEST MEASURES
About This Assessment
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Patient Health Questionnaire-9 (PHQ-9) Test - Symptoms and Signs
This measure is commonly used to quickly screen for the presence and severity of depressive symptoms in clinical and primary care settings. The Patient Health Questionnaire-9 (PHQ-9) asks respondents to rate how often specific symptoms have been present over the past 2 weeks.
It contains 9 items and typically takes about 2 minutes to complete. Items assess core depressive symptom domains such as anhedonia, low mood, sleep and appetite disturbance, fatigue, concentration problems, psychomotor changes, and thoughts of self-harm; responses are summed to support symptom-severity estimation and to guide need for further assessment. The Patient Health Questionnaire-9 (PHQ-9) is attributed to Kurt Kroenke.
Author: janet-b-w-williams, Kurt Kroenke, robert-l-spitzer
Literature: Beck, A. T., Steer, R. A., & Brown, G. K. Manual for the Beck Depression Inventory-II. Psychological Corporation. 1996.; Kessler, R. C., Andrews, G., Colpe, L. J., Hiripi, E., Mroczek, D. K., Normand, S.-L. T., Walters, E. E., & Zaslavsky, A. M. Short screening scales to monitor population prevalences and trends in non-specific psychological distress. Psychological Medicine. 2002.; Kroenke, K., Spitzer, R. L., & Williams, J. B. W. The PHQ-9: validity of a brief depression severity measure. Journal of General Internal Medicine. 2001.
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