Factor structure, measurement invariance, and concurrent validity of the Patient Health Questionnaire-9 and the Generalized Anxiety Disorder scale-7 in a Norwegian psychiatric outpatient sample

Factor structure, measurement invariance, and concurrent validity of the Patient Health Questionnaire-9 and the Generalized Anxiety Disorder scale-7 in a Norwegian psychiatric outpatient sample

Abstract Objective The aim of this study was to test factor structure, measurement invariance, and concurrent validity of the nine item Patient Health Questionnaire-9 (PHQ-9) and the seven item Generalized Anxiety Disorder scale-7 (GAD-7) in a heterogeneous outpatient sample. Method Outpatients comp...

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Bibliographic Details
Main Authors: Martin Brattmyr, Martin Schevik Lindberg, Stian Solem, Odin Hjemdal, Audun Havnen
Format: Article
Language:English
Published: BMC 2022-07-01
Series:BMC Psychiatry
Subjects:
PHQ-9
GAD-7
Factor structure
Measurement invariance
Reliability
Validity
Online Access:https://doi.org/10.1186/s12888-022-04101-z

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