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The factor structure of the Hospital Anxiety and Depression Scale in acquired brain injury
Naomi Dawkins1, Monique E Cloherty, Fergus Gracey
1The Oliver Zangwill Centre for Neuropsychological Rehabilitation, Princess of Wales Hospital, Ely, Cambridgeshire, UK.
Primary Objective:
To evaluate the factor structure of the Hospital Anxiety and Depression Scale (HADS) as a mood assessment in a sample of individuals with acquired brain injury (ABI).
Research Design:
Cohort study.
Methods And Procedures:
HADS data from 140 people with ABI was subjected to principle components analysis (PCA).
Experimental Interventions:
None.
Main Outcomes And Results:
A three-factor solution emerged. Items loading on the first two factors map on to the anxiety and depression scales. However, two items from the depression sub-scale did not load significantly on either of these two main factors. Possible reasons are discussed.
Conclusions:
This study suggests that the HADS is a useful tool for examining depression and anxiety in a brain injured population, but interpretation of responses to some items should be cautious.
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