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JOURNAL ARTICLE
MULTICENTER STUDY

Validity and reliability of the Spanish version of the 10-item CD-RISC in patients with fibromyalgia

Blanca Notario-Pacheco, Vicente Martínez-Vizcaíno, Eva Trillo-Calvo, Mari Cruz Pérez-Yus, Dolores Serrano-Parra, Javier García-Campayo
Health and Quality of Life Outcomes 2014, 12: 14
24484847

BACKGROUND: No resilience scale has been validated in Spanish patients with fibromyalgia. The aim of this study was to evaluate the validity and reliability of the 10-item CD-RISC in a sample of Spanish patients with fibromyalgia.

METHODS:

DESIGN: Observational prospective multicenter study.

SAMPLE: Patients with diagnoses of fibromyalgia recruited from primary care settings (N = 208).

INSTRUMENTS: In addition to sociodemographic data, the following questionnaires were administered: Pain Visual Analogue Scale (PVAS), the 10-item Connor-Davidson Resilience scale (10-item CD-RISC), the Fibromyalgia Impact Questionnaire (FIQ), the Hospital Anxiety and Depression Scale (HADS), the Pain Catastrophizing Scale (PCS), the Chronic Pain Acceptance Questionnaire (CPAQ), and the Mindful Attention Awareness Scale (MAAS).

RESULTS: Regarding construct validity, the factor solution in the Principal Component Analysis (PCA) was considered adequate, so the KMO test had a value of 0.91, and the Barlett's test of sphericity was significant (χ2 = 852.8; gl = 45; p < 0.001). Only one factor showed an eigenvalue greater than 1, and it explained 50.4% of the variance. PCA and Confirmatory Factor Analysis (CFA) results did not show significant differences between groups. The 10-item CD-RISC scale demonstrated good internal consistency (Cronbach's alpha = 0.88) and test-retest reliability (r = 0.89 for a six-week interval). The 10-item CD-RISC score was significantly correlated with all of the other psychometric instruments in the expected direction, except for the PVAS (-0.115; p = 0.113).

CONCLUSIONS: Our study confirms that the Spanish version of the 10-item CD-RISC shows, in patients with fibromyalgia, acceptable psychometric properties, with a high level of reliability and validity.

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