Journal of Rehabilitation Research & Development (JRRD)

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Volume 53 Number 6, 2016
   Pages 873 — 880

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

Laura Boxley, PhD;1 Jennifer M. Flaherty, PhD;2* Robert J. Spencer, PhD;3 Lauren L. Drag, PhD;4 Percival H. Pangilinan, MD;3,5 Linas A. Bieliauskas, PhD3,5

1Department of Psychiatry and Behavioral Health, The Ohio State University Wexner Medical Center, Columbus, OH; 2Department of Psychiatry & Behavioral Sciences, Eastern Virginia Medical School, Norfolk, VA; 3Department of Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI; 4Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Palo Alto, CA; 5University of Michigan Health System, University of Michigan, Ann Arbor, MI

Abstract — 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 = 0.70). 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.

Key words: anxiety, concussion, confirmatory factor analysis, depression, factor structure, internal consistency, mild traumatic brain injury, polytrauma, reliability, self-report.


View HTML ¦ View PDF ¦ Contents Vol. 53, No. 6
This article and any supplementary material should be cited as follows:
Boxley L, Flaherty JM, Spencer RJ, Drag LL, Pangilinan PH, Bieliauskas LA. Reliability and factor structure of the Hospital Anxiety and Depression Scale in a polytrauma clinic. J Rehabil Res Dev. 2016;53(6):87380.
http://dx.doi.org/10.1682/JRRD.2015.05.0088
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