Psychometric properties of the short form of the Children's Depression Inventory (CDI-S) in young people with physical disabilities |
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| Affiliation: | 1. Unit for the Study and Treatment of Pain — ALGOS, Universitat Rovira i Virgili, Catalonia, Spain;2. Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA;3. Clinical and Neurological Sciences Department, Schulich School of Medicine & Dentistry, University of Western Ontario, London, ON, Canada;4. Research Center for Behavior Assessment (CRAMC), Department of Psychology, Universitat Rovira i Virgili, Catalonia, Spain;5. Institut d''Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Catalonia, Spain;6. Universitat Rovira i Virgili-Fudación Grünenthal, Catalonia, Spain;7. Department of Occupational Science and Technology, University of Wisconsin-Milwaukee, Milwaukee, WI, USA;1. Department of Health Economics and Health Services Research, Hamburg Center for Health Economics, University Medical Center Hamburg-Eppendorf, Germany;2. Department of General Internal Medicine and Psychosomatics, University Hospital Heidelberg, Germany;3. Department of General Practice and Health Services Research, University Hospital Heidelberg, Germany;1. Department of Psychosomatic Medicine and Psychotherapy, University Medical Center Hamburg-Eppendorf and Schön Clinic Hamburg Eilbek, Germany;2. Department of Psychiatry – Ochsenzoll, Asklepios Clinic Hamburg, Germany;3. Integrated Research and Treatment Center Adiposity Diseases & Department of Medical Psychology and Medical Sociology, University of Leipzig, Germany;1. Department of Psychiatry, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea;2. Workplace Mental Health Institute, Kangbuk Samsung Hospital, Seoul, Republic of Korea;1. Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric University Hospital, Zurich CH-8032, Switzerland;2. Division of Social and Behavioural Sciences, School of Public Health and Family Medicine, University of Cape Town, Cape Town 7925, South Africa;3. Department of Anthropology, Durham University, Durham DH1 3LE, United Kingdom;4. Centre for Medical Humanities, Durham University, Durham DH1 1SZ, United Kingdom;5. County Durham and Darlington NHS Foundation Trust, Durham DH1 5TW, United Kingdom;1. University of Toronto, Department of Pharmacology and Toxicology, Canada;2. University of Toronto, Department of Health Policy, Canada;3. Sunnybrook Research Institute, Hurvitz Brain Sciences Centre, Canada;4. University Health Network Toronto Rehabilitation Institute, Cardiac Rehabilitation Program, Canada;5. Universidade Federal de São Paulo, Department of Psychiatry, Brazil |
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| Abstract: | ![]()
ObjectiveDepression is a significant issue for young people with physical disabilities. Efficient and reliable questionnaires are needed to evaluate and monitor the efficacy of depression treatments in this population. The aim of this study was to evaluate the reliability and validity of the 10-item version of the Children's Depression Inventory (CDI-S) in a sample of young people with physical disabilities.MethodsA convenience sample of young people with physical disabilities (N = 97) was recruited and interviewed. Reliability was evaluated using the Cronbach's α and examining the item-total correlations. Validity was evaluated by computing Pearson correlations between scores on the CDI-S and measures of pain and psychological functioning (anxiety and depression).ResultsThe CDS-I items loaded on a single factor. The internal consistency of the scale was good (Cronbach's α = 0.84) and the CDI-S showed moderate significant correlations with pain intensity (r = 0.29), pain interference (r = 0.46) and psychological functioning (r = − 0.57). Two of the items, however, did not perform well (i.e., item-total correlations < 0.3, and Cronbach's α improved when they were deleted).ConclusionThe findings support the reliability and validity of the CDI-S scores for use in young people with physical disabilities. The measure's psychometric properties should be studied in larger samples. In addition, there is a new brief version of the CDI (CDI-S 2) that needs to be evaluated in order to determine which of the two scales is better for assessing depression in young people with physical disabilities. |
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