Article
Measurement invariance of the Patient Health Questionnaire (PHQ-9) and Generalized Anxiety Disorder (GAD-7) across four European countries during the COVID-19 pandemic
2021-09-09
Abstract excerpt
<p>Objective: The Patient Health Questionnaire (PHQ-9) and Generalized Anxiety Disorder scale (GAD-7) are self-report measures of major depressive disorder and generalised anxiety disorder. The primary aim of this study was to test for differential item functioning (DIF) on the PHQ-9 and GAD-7 items based on age, sex (males and females), and country.Method (or Design): Data from nationally representative surveys i...
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Identifiers and source
- Literature Corpus work
- 3415ad28-f8a2-532b-9975-2d3a041f3bc4
- DOI
- 10.31234/osf.io/fwga8
