Abstract
The Rasch model has not yet been used to evaluate the Chronic Pain Coping Inventory (CPCI), a tool used worldwide to measure coping with chronic pain. Analyze the adjustment of the CPCI-Brazilian version and its scales to the Rasch model. CPCI Rasch analysis with 705 outpatients from a Brazilian hospital. The set of Illness-Focused coping strategies presented as a one-dimensional scale. The Rasch reliability of the person item ranged between 0.33 and 0.89, and 0.29 and 0.99, respectively. There were misfits for items 35 (MNSQOutfit = 2.12) and 54 (MNSQOutfit = 2.92), and DIF of one item regarding gender. The Wright map revealed some gaps in coping measurement. The scales of CPCIBrazilian Version fitted to the Rasch model after adjustments in the categories of response and exclusion of items 35 and 54.
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