Dimensionality, reliability, and validity of the Finnish version of the pain catastrophizing scale in chronic low back pain
Mikkonen, Jani (Itä-Suomen yliopisto)
Leinonen, Ville (Itä-Suomen yliopisto)
Lähdeoja, Tuomas (Finnish Centre for Evidence-Based Orthopaedics)
Holopainen, Riikka (Jyväskylän yliopisto)
Ekström, Kristian
Koho, Petteri (Orton)
Airaksinen, Olavi (Itä-Suomen yliopisto)
Luciano, Juan Vicente (Universitat Autònoma de Barcelona. Departament de Psicologia Clínica i de la Salut)
Navarrete Hidalgo, Jaime (Hospital Sant Joan de Déu (Esplugues de Llobregat, Catalunya))
Neblett, Randy (Productive Rehabilitation Institute of Dallas for Ergonomics)

Fecha:	2024
Descripción:	10 pàg.
Resumen:	OBJECTIVES: The 13-item pain catastrophizing scale (PCS) is the most commonly used measure of pain catastrophizing. A validated Finnish version of the PCS has previously been unavailable. The objectives were to translate the original English version of the PCS into Finnish (PCS-FI), then to evaluate (i) structural validity of the PCS-FI with a confirmatory factor analysis (CFA), (ii) internal reliability with Cronbach's alpha, Omega, and Omega hierarchical, (iii) convergent validity with measures of well-being, quality of life, sleep quality, symptoms of central sensitization, and anxiety, and (iv) known-groups validity between participants with chronic low back pain (CLBP) and pain-free controls. METHODS: The translation process was performed with established guidelines. The PCS-FI was psychometrically validated using 92 participants with CLBP and 53 pain-free controls. RESULTS: Structural validity with CFA supported a bifactor solution. However, low reliability was found for the three specific factors (ω h ranging from 0. 14 to 0. 18) compared to the general factor (ω h = 0. 88) suggesting that only the total score should be used. Convergent validity analysis showed satisfactory correlations and medium effect sizes with the other patient-reported outcome measures. Participants with CLBP had significantly higher total PCS-FI scores than pain-free controls. CONCLUSIONS: The PCS-FI appears to be a valid and reliable instrument for assessing pain-related catastrophizing in Finnish-speaking populations. Ethical approval for this study was obtained from the Research Ethics Committee of the Northern Savo Hospital District, identification number 2131/2022, on the 31st of January 2022.
Nota:	Altres ajuts: JVL and JN received support from Instituto de Salud Carlos III (CIBERESP CB22/02/00052).
Derechos:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Lengua:	Anglès
Documento:	Article ; recerca ; Versió publicada
Materia:	Pain catastrophizing scale ; Chronic low back pain ; Validation ; Reliability ; Cross-cultural adaptation ; Finnish ; Catastrophization/psychology ; Low Back Pain/psychology ; Finland ; Chronic Pain/psychology ; Pain Measurement/methods ; Psychometrics/standards ; Quality of Life/psychology ; Translations
Publicado en:	Scandinavian Journal of Pain, Vol. 24, Núm. 1 (2024) , art. 20240034, ISSN 1877-8879

DOI: 10.1515/sjpain-2024-0034
PMID: 39494740

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