PHQ-4: Questionnaire for Depression and Anxiety
Patient or Clinician
To screen for anxiety and depression in patients with chronic pain
Note - this is only a screening tool and does not diagnose depression
Total score is determined by adding together the scores for each of the 4 items
How to Interpret Score:
Lowe, B., Wahl, I., Rose, M., Spitzer, C., Glaesmer, H., Wingenfeld, K., Schneider, A., Brahler, E. (2010). A 4-item measure of depression and anxiety: validation and standardization of the Patient Health Questionnaire-4 (PHQ-4) in the general population. J Affect Disord, 122(1-2), 86-95.
Scores are rated as normal (0-2), mild (3-5), moderate (6-8), and severe (9-12).
Link to Article: