Interpretation of the Patient Health Questionnaire 9 in High-impact Chronic Pain: Do we Measure Depressive Symptoms the way we Think?
The Clinical journal of pain（2023）
Abstract
Problematic items limit the construct validity of the PHQ-9, leaving increased risk of inflated depression scores in high-impact chronic pain. Identified problems should guide future revisions to enhance validity and screening accuracy for the benefit of both research and clinical practice.
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Key words
depressive symptoms, screening, assessment, validity, qualitative interviews
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