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Psicothema was founded in Asturias (northern Spain) in 1989, and is published jointly by the Psychology Faculty of the University of Oviedo and the Psychological Association of the Principality of Asturias (Colegio Oficial de Psicólogos del Principado de Asturias).
We currently publish four issues per year, which accounts for some 100 articles annually. We admit work from both the basic and applied research fields, and from all areas of Psychology, all manuscripts being anonymously reviewed prior to publication.

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Psychometric Properties of the Spanish Version of Breast Cancer and Lymphedema Symptom Experience Index

Judit Cachero-Rodríguez1, Álvaro Menéndez-Aller2, Mei R Fu3, Ana Llaneza-Folgueras4, María del Mar Fernández-Alvarez1,2, and Rubén Martín-Payo1,2

1 Equipo de Investigación PRECAM,
2 Universidad de Oviedo/ISPA,
3 Rutgers, The State University of New Jersey and
4 Hospital Universitario Central de Asturias

Background: Lymphedema is a common late and chronic adverse effect of breast cancer treatment. This study aimed to translate and evaluate the psychometric properties of the BCLE-SEI Spanish version with Spanish-speaking breast cancer patients. Method: 286 patients were recruited (2018 to 2020), from the Hospital Universitario Central de Asturias. Data analysis included descriptive statistics; internal consistency and test-retest reliability; principal component analysis and exploratory factor analysis; average variance extracted; and receiver operating characteristic curves. Results: No semantic modifications to items were needed. The scores of the instrument demonstrated excellent internal consistency (Cronbach’s alpha = .95-.97; McDonald’s omega = .96-.98) and test-retest reliability (r = .78-.87, n = 29). A significant difference was observed between the lymphedema group and non-lymphedema group (p < .001) in terms of total scale, symptom occurrence (p < .001), symptom distress in the physical-functional (p < .001), and psychosocial dimension (p < .001). Principal component analysis for symptom occurrence revealed a unidimensional factor and two factors were identified for symptom distress via exploratory factor analysis, the two of which explained 45.71% and 54.77% of the total sample variance, respectively. Conclusions: This study provided initial evidence to support the psychometric properties of the BCLE-SEI Spanish version.

Propiedades Psicométricas de la Versión Española del Breast Cancer and Lymphedema Symptom Experience Index. Antecedentes: el linfedema es una complicación tras el cáncer de mama. El objetivo fue evaluar las propiedades psicométricas de la versión española BCLE-SEI en mujeres diagnosticadas de cáncer de mama que hablaban español. Método: participaron 286 pacientes (2018 a 2020) del Hospital Universitario Central de Asturias. El análisis de datos incluyó estadísticos descriptivos; consistencia interna y fiabilidad test-retest, análisis de componentes principales y análisis factorial exploratorio; varianza media extraída; y curvas de características operativas del receptor. Resultados: no se necesitaron modificaciones semánticas en los ítems. El instrumento demostró excelente consistencia interna (alfa de Cronbach = 0,95-0,97; omega de McDonald = .96-.98) y fiabilidad test-retest (r = 0,78-0,87; n = 29). Se observaron diferencias significativas entre grupos linfedema y sin linfedema (p < .001) en las escalas total, de síntomas (p < .001), físico-funcional (p < .001) y psicosocial (p < .001). El análisis de componentes principales para la “aparición de síntomas” reveló un factor unidimensional y se identificaron dos factores para la “angustia por síntomas” a través del análisis factorial exploratorio, explicando el 45,71% y el 54,77% de la varianza total de la muestra, respectivamente. Conclusiones: la versión española de BCLE-SEI mostró adecuadas propiedades psicométricas.

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