PHQ-9 Depression Test
Fast, accurate, and free online PHQ-9 Depression Test tool that runs directly in your browser.
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Test depresji PHQ-9
Standard 9-question questionnaire with an additional question about the impact on functioning.
About the PHQ-9 questionnaire
PHQ-9 (Patient Health Questionnaire-9) is a screening test commonly used in medicine to assess the severity of depression symptoms. The test result is for informational purposes only and does not replace professional medical advice or diagnosis.
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The PHQ-9 questionnaire is a scientifically developed tool for self-assessment of mood. The test helps determine whether symptoms of low well-being may indicate mild, moderate or severe depressive symptoms. It takes less than 3 minutes to complete.
What is the PHQ-9 test
PHQ-9 (Patient Health Questionnaire-9) is a widely used, standardized questionnaire used to assess the severity of depressive symptoms. It contains nine questions relating to your well-being over the last two weeks. Each of them addresses key aspects of mood, energy and concentration.
- 9 questions based on DSM-5 criteria.
- Scale 0–3: from "not at all" to "almost every day."
- Overall score from 0 to 27 points.
- Immediate interpretation upon completion.
- Free, anonymous, available online without logging in.
How the PHQ-9 test works
Each question on the test asks about the frequency of specific symptoms, such as lack of energy, difficulty concentrating, insomnia or low mood. The user selects the answer that best describes how he or she has felt over the past two weeks. The result is calculated automatically and presented in point and descriptive form.
Range of questions
The questionnaire examines the most common depressive symptoms, including energy level, sleep quality, appetite, ability to feel pleasure and concentration level.
Simple rating system
Each answer is assigned a value from 0 to 3. The sum of the points shows the overall severity of symptoms and indicates whether they may require specialist consultation.
PHQ-9 test score scale
The interpretation of the PHQ-9 test is based on the sum of points from all questions. The result indicates the approximate level of symptom severity:
0–4 points: no or minimal symptoms
Indicates a stable mood and no clear signs of decreased well-being. Maintain a healthy daily rhythm and adequate sleep.
5–9 points: mild symptoms
Slightly depressed mood, occasional difficulty concentrating or sleeping. Observe changes, ensure rest and regular physical activity.
10–14 points: moderate symptoms
It is worth paying attention to persistent symptoms. If they are affecting your daily functioning, consider talking to a psychologist or doctor.
15–19 points: moderately severe symptoms
Symptoms may make daily tasks difficult. It is advisable to consult the result with a specialist and discuss possible forms of support.
20–27 points: severe symptoms
A high score may indicate significant severity of depressive symptoms. It is worth contacting a doctor or therapist as soon as possible.
Why you should take the PHQ-9 test
The PHQ-9 test is a quick, simple and reliable way to better understand how you feel. It is not a diagnostic tool, but it can be a starting point for a conversation with a specialist or motivation to take care of yourself.
- Allows you to recognize early symptoms of low mood.
- Helps you monitor your well-being over time.
- Works anonymously and does not require registration.
- Gives the result immediately after the test is completed.
- Supports mental health prevention.
How to use the PHQ-9
The PHQ-9 test is designed to be simple and understandable for everyone. Just answer nine short questions about your well-being over the last two weeks. After completing it, you will receive the result with interpretation and instructions on how to read it.
- Answer according to how you have actually felt in recent days, not how you would like to feel.
- You rate each question on a scale of 0–3: from "not at all" to "almost every day."
- Once completed, you'll see your total score and mood level description.
- The test may be repeated to monitor changes in how you feel.
How to interpret the PHQ-9 result
The PHQ-9 test result is not a diagnosis. It is indicative and helps assess whether the current level of depressed mood requires additional attention or consultation. The test can be treated as a self-observation tool - especially useful when you want to monitor mood changes over time.
Frequently Asked Questions (FAQ)
How long does the PHQ-9 test take?
Completion usually takes less than 3 minutes. The test consists of nine questions with four possible answers - from "not at all" to "almost every day".
Is the PHQ-9 test scientifically validated?
Yes. PHQ-9 is one of the most widely used screening tools in the world, developed based on DSM diagnostic criteria. It is used in scientific research and clinical practice.
Does the test replace a specialist's diagnosis?
No. The test result is informative. It is not a medical or psychological diagnosis. High score values should prompt you to talk to your doctor or therapist.
Is the test anonymous?
Yes. All responses are analyzed locally in the browser, and the result is visible only to the user. No data is saved or transferred.
Can I repeat the test?
Of course. The PHQ-9 can be performed regularly, such as once a week or once a month, to track changes in your well-being. It is a useful tool for monitoring the effects of therapy or preventive measures.
How to take care of your mental health
After taking the test, it is worth remembering that your mental well-being can be improved gradually, through everyday habits. Even small changes are important for emotional balance.
- Regular sleep:maintain consistent sleep hours and avoid screens in the hour before falling asleep.
- Physical activity:a short walk or exercise 3-4 times a week supports the release of endorphins.
- Contact with people:talking or doing something together helps break the feeling of isolation.
- Media break:limit the time you spend online, especially with negative news.
- Daily Balance:establish consistent rituals that promote a sense of stability and control.