Confirmatory Factor Analysis and Standardization of the Hospital Anxiety and Depression Scale (HADS)
Keywords:
Confirmatory factor analysis, ROC curve, HADS, Anxiety, DepressionAbstract
The main objectives of this study were to perform a confirmatory factor analysis of the Hospital Anxiety and
Depression Scale (HADS) and to conduct ROC curves for standardization of cut-off points, in a nonclinical sample. The results
showed evidences of the structural validity of HADS and changes were proposed to the diagnostic parameters of anxiety (≥7
points) and depression (≥6 points). Finally, we highlight that caution is needed for the interpretation of the scores and diagnostic
decision, especially for the depression measure.
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