Depression (PHQ-9)
Over the last two weeks, how often have you been bothered by any of the following problems?
1. Little interest or pleasure in doing things?
Score: 0
2. Feeling down, depressed, or hopeless?
Score: 0
3. Trouble falling or staying asleep, or sleeping too much?
Score: 0
4. Feeling tired or having little energy?
Score: 0
5. Poor appetite or overeating?
Score: 0
6. Feeling bad about yourself - or that you are a failure or have let yourself or your family down?
Score: 0
7. Trouble concentrating on things, such as reading the newspaper or watching television?
Score: 0
8. Moving or speaking so slowly that other people could have noticed? Or the opposite - being so fidgety or restless that you have been moving around a lot more than usual?
Score: 0
9. Thoughts that you would be better off dead, or of hurting yourself in some way?
Score: 0
How difficult have these problems made it to do work, take care of things at home, or get along with other people?
Score: 0
Your PHQ-9 Result
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Functioning Check
WARNING:
IMPORTANT: This screening is not a diagnosis. If these feelings are affecting your daily life, consider speaking with a mental health professional for support and guidance.
In cases of crisis (if you are in a life-threatening situation or someone may be in danger), please call Befrienders at 03-7627 2929 or dial 999 for immediate help. You may also seek assistance directly from the nearest hospital emergency room. Help is available, and you are not alone.
10
Moderate Severe
✅ PHQ-9 (Depression)
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Validation: Extensively validated across populations and settings.
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Recommendation: Used by WHO, CDC, and primary care worldwide.
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Reliability: High internal consistency (Cronbach’s α ≈ 0.89).
Total score categories:
Scores Interpretation
0 - 4 Minimal depression
5 - 9 Mild depression
10 - 14 Moderate depression
15 - 19 Moderately severe depression
20 - 27 Severe depression
Higher scores indicate more acute symptoms of depression.