Factor structure and longitudinal measurement invariance of PHQ-9 for specialist mental health care patients with persistent major depressive disorder: Exploratory Structural Equation Modelling
Background: The Patient Health Questionnaire-9 (PHQ-9) is a widely used instrument for measuring levels of depression in patients in clinical practice and academic research; its factor structure has been investigated in various samples, with limited evidence of measurement equivalence/invariance (ME...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Published: |
Elsevier
2017
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| Subjects: | |
| Online Access: | https://eprints.nottingham.ac.uk/49872/ |