• Alfonso Meneses Monroy, Carmen Rodríguez-Blázquez, María Eugenia Ursúa, Neus Caparrós, Manuel Ignacio Ruiz de Ocenda, Lorena López, Jorge Caro, Nerea Elizondo, and Leire Ambrosio.
• Facultad de Enfermería, Fisioterapia y Podología, Universidad Complutense de Madrid, Madrid, España.
• Aten Primaria. 2021 Jun 1; 53 (6): 102044102044.

ObjectivePresent the psychometric results of the Living with Osteoarthritis (LW-OA) in Spanish population.DesignObservational, cross-sectional and multicenter study, with retest on a fraction of the sample.LocationPublic and private centres of primary and secondary healthcare, as well as patient associations from Navarra, La Rioja, Madrid, Valencia and Malaga.ParticipantsThe sample was composed by 291 patients with OA with a medical diagnosis in every stage of the disease from primary or secondary healthcare, Spanish nationality and not hospitalized.InterventionsIn addition to LW-OA, a sociodemographic questionnaire was included, as well as scales to evaluate social support perceived from the patient (DUFSS), quality of life (WHOQOL-BREF) and satisfaction with life.Main MeasurementsPsychometric properties of the LW-OA were measured, as viability and acceptability, reliability (internal consistency and reproducibility), precision and construct validity (convergent, internal and known-groups).Results100% of the data were computable. Excellent data quality was obtained. Cronbach's alpha for the scale total was 0.87 and the homogeneity index 0.22. ICC for the scale total was 0.88. As for precision, the SEM was 5.18 (<½DE=7.47).ConclusionsThe LW-OA is a valid and feasible measure to evaluate the process of living with OA in Spain.Copyright © 2021 The Authors. Publicado por Elsevier España, S.L.U. All rights reserved.

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