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Screening for depression and anxiety in spinal cord injury with DASS-21
M C Mitchell1, N R Burns, D S Dorstyn
1School of Psychology, University of Adelaide, Adelaide, South Australia, Australia. mc.mitch@optusnet.com.au
Study Design:
Comparison of two self-report instruments with a structured diagnostic interview.
Objective:
To investigate the properties of the Depression Anxiety Stress Scales-21 (DASS-21) in patients with spinal cord injuries.
Setting:
South Australian Spinal Cord Injuries Service, Hampstead Rehabilitation Centre, Northfield, South Australia.
Methods:
Forty paraplegic or tetraplegic patients participated. Two self-report measures, DASS-21 and Brief Symptom Inventory (BSI), assessed Depression, Anxiety and Stress. These measures were compared with each other and with diagnoses based on the Mini International Neuropsychiatric Interview.
Results:
Mean scores on both self-report measures were below clinical threshold levels. Prevalence rates of anxiety and depression were higher on DASS-21 than on BSI. DASS-21 was as sensitive as BSI, but had lower specificity to detect anxiety and depression.
Conclusion:
DASS-21 is a promising screening measure for patients with spinal cord injury in a rehabilitation setting. It has greater sensitivity for identifying those with possible anxiety disorders than it does for those with depressive disorders.
