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



METHODS
Observational prospective multicenter study.


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


METHODS
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.
Social and Health Care Research Center, University of Castilla-La Mancha, Edificio Melchor Cano Santa Teresa Jornet Street, 16071 Cuenca, Spain. blanca.notario@uclm.es.
Blanca
B
Notario-Pacheco
Vicente
V
Martínez-Vizcaíno
Eva
E
Trillo-Calvo
Mari Cruz
MC
Pérez-Yus
Dolores
D
Serrano-Parra
Javier
J
García-Campayo
D000328:Adult; D000368:Aged; D001007:Anxiety / Q000209:etiology / Q000523:psychology; D003863:Depression / Q000209:etiology / Q000523:psychology; D005163:Factor Analysis, Statistical; D005260:Female; D005356:Fibromyalgia / Q000150:complications / Q000523:psychology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000175:diagnosis / Q000209:etiology; D010147:Pain Measurement; D025341:Principal Component Analysis; D011446:Prospective Studies; D011569:Psychiatric Status Rating Scales; D015203:Reproducibility of Results; D055500:Resilience, Psychological; D013030:Spain; D011795:Surveys and Questionnaires