Depression Screening Calculator
Assess depression symptoms using standardized PHQ-9 scoring methodology
About this calculator
The Depression Screening Calculator uses the standardized Patient Health Questionnaire-9 (PHQ-9) methodology to assess depression symptoms and severity. This evidence-based tool helps individuals and healthcare providers identify potential depression by evaluating nine key symptoms experienced over the past two weeks. The PHQ-9 is widely used in clinical settings and provides reliable scoring to determine depression severity levels, from minimal to severe, making it an essential screening instrument for mental health assessment.
How to use
Answer nine questions about your mood, sleep, appetite, and other symptoms experienced in the past two weeks. Rate each symptom on a scale from 0 (not at all) to 3 (nearly every day). The calculator automatically computes your PHQ-9 score and provides interpretation based on standardized clinical guidelines.
Frequently asked questions
What does my PHQ-9 score mean?
Scores of 0-4 indicate minimal depression, 5-9 mild, 10-14 moderate, 15-19 moderately severe, and 20-27 severe depression symptoms.
Is this calculator a substitute for professional diagnosis?
No, this is a screening tool only. Always consult a healthcare provider for proper diagnosis and treatment recommendations.
How accurate is the PHQ-9 screening?
The PHQ-9 is highly validated with good sensitivity and specificity for detecting depression in clinical and research settings.