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The utility of the Stroke Aphasia Depression Questionnaire (SADQ) in a stroke rehabilitation unit

Department of Clinical Psychology, University of Wales, Bangor, Rhyl, UK

R J Meara

J P Hobson

University Department of Geriatric Medicine (North Wales), Glan Clwyd Hospital, Rhyl, UK

Objective: To determine the utility of an observer-based rating scale to detect depression in patients without aphasia.

Design: Correlation analysis between the Stroke Aphasia Depression Questionnaire, shortened version (SADQ-10) and a validated self-rating measure of depression, the Geriatric Depression Scale (GDS). The sensitivity and specificity of the SADQ-10 were also calculated.

Setting: Stroke rehabilitation unit.

Subjects: Sixty-fivestroke patients without significant aphasia undergoing rehabilitation.

Interventions: All patients were assessed with the GDS-15 and the SADQ-10.

Results: The SADQ-10 at a cut-point of 14 out of 30 had a sensitivity of 70% and a specificity of 77% to detect depression. This measure demonstrated good internal consistency but showed only a modest correlation with the GDS-15 (r = 0.40, p < 0.001).

Conclusion: In the population under study the SADQ-10 did not appear to be a valid measure of depression compared with the GDS and, therefore, may not be suitable for use in patients without significant aphasia.

Clinical Rehabilitation, Vol. 18, No. 2, 228-231 (2004)
DOI: 10.1191/0269215504cr685oa


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