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Title: Adaptación cultural y validación de la versión española de la Escala de Autoconcepto en BRCA en mujeres portadoras con alto riesgo de cáncer de mama y ovario hereditario
Author: Castejón, Vanessa
Tatiana Rovira
Sumalla, Enric C.
Darder, Esther
Iglesias Casals, Sílvia
Ochoa Arnedo, Cristian
Blanco Guillermo, Ignacio
Keywords: Tests psicològics
Càncer de mama
Càncer d'ovari
Malalties hereditàries
Psychological tests
Breast cancer
Ovarian cancer
Genetic diseases
Issue Date: 1-Feb-2016
Publisher: Elsevier España
Abstract: BACKGROUND AND OBJECTIVE: Having an inherited predisposition to cancer may have a psychological impact, and one goal of genetic counseling is to promote psychological adjustment to the new situation. Thus, in the genetic context, validated measures of adjustment are required. Given that self-concept is a good indicator of adjustment to the disease or to the risk for it, and a relevant variable in oncology, the goal of the study is to culturally adapt and validate the BRCA Self-Concept Scale. MATERIAL AND METHOD: One hundred and sixty-five BRCA carriers' women answered to the questionnaire, previously adapted through a process of forward/back-translation, and to the Cancer Worry Scale (CWS) as a measure of convergent validity. Theoretical structure of BRCA Self-Concept Scale was assessed by expert judges, and submitted to a confirmatory factor analysis (CFA). Cronbach's α was calculated for each subscale (Stigma, Vulnerability and Control), and correlations with CWS were performed. RESULTS: Expert judges' structure and CFA do not support the original structure of the questionnaire. The respecificity model (with items 10 and 13 loading on Vulnerability factor) show a better fit: comparative fit index 0.973; Tucker-Lewis index 0.968; root mean square error of approximation 0.067. The Cronbach's α is 0.83 for Stigma, 0.84 for Vulnerability, and 0.61 for Control. Evidence of convergent validity with CWS has been obtained (Spearman's rho 0.631 for Stigma, 0.683 for Vulnerability, and -0.363 for Control; P<.001). CONCLUSIONS: Results support the validity of the modified Spanish BRCA Self-Concept Scale, which is a potentially useful measure for the study of psychological adjustment to high risk for hereditary breast and ovarian cancer.
Note: Versió postprint del document publicat a:
It is part of: Medicina Clinica, 2016, vol. 146, num. 4, p. 148-154
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ISSN: 0025-7753
Appears in Collections:Articles publicats en revistes (Psicologia Clínica i Psicobiologia)

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