Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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SHR Neuro Krebs Kardio Lipid Stoffw Microb
Avian, A; Messerer, B; Frey, A; Meissner, W; Weinberg, A; Ravekes, W; Berghold, A.
Scaling properties of pain intensity ratings in paediatric populations using the Faces Pain Scale-revised: Secondary analyses of published data based on the item response theory.
Int J Nurs Stud. 2018; 87:49-59
Doi: 10.1016/j.ijnurstu.2018.07.009
Web of Science
PubMed
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- Führende Autor*innen der Med Uni Graz
- Avian Alexander
- Co-Autor*innen der Med Uni Graz
- Berghold Andrea
- Messerer Brigitte
- Weinberg Annelie-Martina
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- Abstract:
- The Faces Pain Scale-revised (FPS-r) has been developed as an interval scale. For other pain measurement instruments, several studies found evidence for and against an interval level of measurement. The primary aim of the current study was to evaluate the scale properties of the FPS-r using an item response theory approach. Secondary analysis of published data. Three studies; Study 1 and study 2: One university hospital; Study 3: international pain registry. Study 1: n = 246, female: 41%, age: 11-18 years, 3 pain items; Study 2: n = 240, female: 43%, age: 11-18 years, 9 pain items; Study 3: n = 2266, female: 41%, age: 4-18 years, 3 pain items. The rating scale model (interval scale), the graded response model (no interval scale, ordered response categories) and the partial credit model (no interval scale) were used to scale the data. In all three studies, the rating scale model was outperformed by the graded response model or the partial credit model in terms of model fit. Overlapping response categories were found in items associated with less pain. Response category widths were wider for categories associated with low pain intensity and smaller for categories associated with high pain intensities. Smallest response categories were 1%-67% smaller compared to the widest response category of the same item. According to these findings, the interval scale properties of the FPS-r may be questioned. Item response theory methods may help to solve the problem of missing linearity in pain intensity ratings using FPS-r. Copyright © 2018 Elsevier Ltd. All rights reserved.
- Find related publications in this database (Keywords)
- Pain measurement
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