Reliability and factor structure of the Hospital Anxiety and Depression Scale in a polytrauma clinic

The Hospital Anxiety and Depression Scale (HADS) is a brief self-report measure of anxiety and depression symptoms. This study examined the internal consistency and factor structure of the HADS among Veterans in a polytrauma/traumatic brain injury clinic. The sample consisted of 312 Veterans. A conf...

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Bibliographic Details
Published in:Journal of rehabilitation research and development 2016, Vol.53 (6), p.873-880
Main Authors: Boxley, Laura, Flaherty, Jennifer M, Spencer, Robert J, Drag, Lauren L, Pangilinan, Percival H, Bieliauskas, Linas A
Format: Article
Language:English
Subjects:
Adult
Anxiety - diagnosis
Brain Injuries, Traumatic - complications
Depression - diagnosis
Factor Analysis, Statistical
Female
Humans
Male
Multiple Trauma - complications
Psychometrics
Reproducibility of Results
Retrospective Studies
Surveys and Questionnaires - standards
Veterans
Young Adult
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Summary:The Hospital Anxiety and Depression Scale (HADS) is a brief self-report measure of anxiety and depression symptoms. This study examined the internal consistency and factor structure of the HADS among Veterans in a polytrauma/traumatic brain injury clinic. The sample consisted of 312 Veterans. A confirmatory factor analysis of the depression and anxiety subscales showed, not surprisingly, that the two factors were highly correlated (r = 0.7). Goodness of fit statistics for the two-factor model were acceptable (root mean square error of approximation = 0.06, comparative fit index = 0.94). The HADS demonstrated very good reliability overall (alpha = 0.89) and for the individual subscales (alpha = 0.84). This study supports the use of the HADS as a screen for depression and anxiety in the assessment of mild traumatic brain injury in a Veteran population.
ISSN:0748-7711
1938-1352
DOI:10.1682/JRRD.2015.05.0088