Psychometric characteristics of the Spanish version of instruments to measure neck pain disability

[EN] Background. The NDI, COM and NPQ are evaluation instruments for disability due to NP. There was no Spanish version of NDI or COM for which psychometric characteristics were known. The objectives of this study were to translate and culturally adapt the Spanish version of the Neck Disability Inde...

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Detalles Bibliográficos
Autores: Kovacs, Francisco, Bagó Granell, Joan, Royuela Vicente, Ana, Seco Calvo, Jesús Ángel, Giménez Basallote, Sergio, Muriel García, Alfonso, Abraira Santos, Víctor, Martín, José Luis, Peña Sagredo, José Luis, Gestoso García, Mario, Mufraggi, Nicole, Núñez Juárez, Montserrat, Corcoll Reixach, Josep, Gómez Ochoa, Ignacio, Ramírez, María José, Calvo, Eva, Castillo, María Dolores, Martí Garín, David, Fuster Obregón, Salvador, Fernández, Carmen, Gimeno Calavia, Nuria, Carballo García, Alejandro, Milán Pinilla, Álvaro, Vázquez Riveiro, Dolores Delia, Cañellas, Montserrat, Blanco Alonso, Ricardo, Brieva Beltrán, Pilar, Rueda Cáceres, María Trinidad, Álvarez Galovich, Luis, Gil del Real, María Teresa, Ayerbe García, Joaquín, González Luján, Luis, Ginel Mendoza, Leovigildo, Ortega Cutillas, Mariano, Bernal Martínez, Myriam, Bolado Cuenllas, Gonzalo, Vidal, Anna, Ausín, Ana, Ramón, Domingo, Mir, María Antonia, Tomás Gelabert, Miquel, Zamora Romero, Javier, Cano Arana, Alejandra
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2008
País:España
Institución:Universidad Rey Juan Carlos
Repositorio:BULERIA. Repositorio Institucional de la Universidad de León
OAI Identifier:oai:buleria.unileon.es:10612/19390
Acceso en línea:https://bmcmusculoskeletdisord.biomedcentral.com/articles/10.1186/1471-2474-9-42
https://hdl.handle.net/10612/19390
Access Level:acceso abierto
Palabra clave:Enfermería
Fisioterapia
Psychometric characteristics
Instruments to measure
Neck pain disability
Neck Disability Index Questionnaire (NDI)
Descripción
Sumario:[EN] Background. The NDI, COM and NPQ are evaluation instruments for disability due to NP. There was no Spanish version of NDI or COM for which psychometric characteristics were known. The objectives of this study were to translate and culturally adapt the Spanish version of the Neck Disability Index Questionnaire (NDI), and the Core Outcome Measure (COM), to validate its use in Spanish speaking patients with non-specific neck pain (NP), and to compare their psychometric characteristics with those of the Spanish version of the Northwick Pain Questionnaire (NPQ). Methods. Translation/re-translation of the English versions of the NDI and the COM was done blindly and independently by a multidisciplinary team. The study was done in 9 primary care Centers and 12 specialty services from 9 regions in Spain, with 221 acute, subacute and chronic patients who visited their physician for NP: 54 in the pilot phase and 167 in the validation phase. Neck pain (VAS), referred pain (VAS), disability (NDI, COM and NPQ), catastrophizing (CSQ) and quality of life (SF-12) were measured on their first visit and 14 days later. Patients' self-assessment was used as the external criterion for pain and disability. In the pilot phase, patients' understanding of each item in the NDI and COM was assessed, and on day 1 test-retest reliability was estimated by giving a second NDI and COM in which the name of the questionnaires and the order of the items had been changed. Results. Comprehensibility of NDI and COM were good. Minutes needed to fill out the questionnaires [median, (P25, P75)]: NDI. 4 (2.2, 10.0), COM: 2.1 (1.0, 4.9). Reliability: [ICC, (95%CI)]: NDI: 0.88 (0.80, 0.93). COM: 0.85 (0.75,0.91). Sensitivity to change: Effect size for patients having worsened, not changed and improved between days 1 and 15, according to the external criterion for disability: NDI: -0.24, 0.15, 0.66; NPQ: -0.14, 0.06, 0.67; COM: 0.05, 0.19, 0.92. Validity: Results of NDI, NPQ and COM were consistent with the external criterion for disability, whereas only those from NDI were consistent with the one for pain. Correlations with VAS, CSQ and SF-12 were similar for NDI and NPQ (absolute values between 0.36 and 0.50 on day 1, between 0.38 and 0.70 on day 15), and slightly lower for COM (between 0.36 and 0.48 on day 1, and between 0.33 and 0.61 on day 15). Correlation between NDI and NPQ: r = 0.84 on day 1, r = 0.91 on day 15. Correlation between COM and NPQ: r = 0.63 on day 1, r = 0.71 on day 15. Conclusion. Although most psychometric characteristics of NDI, NPQ and COM are similar, those from the latter one are worse and its use may lead to patients' evolution seeming more positive than it actually is. NDI seems to be the best instrument for measuring NP-related disability, since its results are the most consistent with patient's assessment of their own clinical status and evolution. It takes two more minutes to answer the NDI than to answer the COM, but it can be reliably filled out by the patient without assistance

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