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Full-Text Articles in Physiotherapy
Rasch Analysis Supports The Use Of The Depression, Anxiety, And Stress Scales To Measure Mood In Groups But Not In Individuals With Chronic Low Back Pain, Luke Parkitny, James Mcauley, David Walton, Leonardo Pena Costa, Kathryn Refshauge, Benedict Wand, Flavia Di Pietro, G Moseley
Rasch Analysis Supports The Use Of The Depression, Anxiety, And Stress Scales To Measure Mood In Groups But Not In Individuals With Chronic Low Back Pain, Luke Parkitny, James Mcauley, David Walton, Leonardo Pena Costa, Kathryn Refshauge, Benedict Wand, Flavia Di Pietro, G Moseley
David Walton
Objective: Chronic pain is a common problem that is associated with mood disorders such as depression. The Depression, Anxiety, and Stress Scales (DASS-21) questionnaire is commonly used to help measure disordered mood. In this study, we used Rasch analysis to analyze the clinimetric properties of the DASS-21 in a chronic low back pain sample. Study Design and Setting: A Rasch analysis was conducted on data collected as a part of a randomized hospital-based placebo-controlled trial. DASS-21 questionnaires were completed by the 154 enrolled participants. Results: The DASS-21 subscales fit the Rasch model. No differential item functioning was detected for age, …