... (Clínica CLINISAS, Madrid), I Vallejo (HospitalClinic, Barcelona), J Vidal (Hospital General, Guadalajara). Milena Gobbo andUnidad de Investigación de la Fundación Española de Reumatolog a, fortheir ... technical support.Author details1Facultad de Psicolog a, Universidad Nacional de Educación a Distancia,Madrid, Spain.2Unidad de Reumatolog a, Instituto Provincial deVallejo et al. Health and ... (ICAF)An exploratory factor analysis was made involving thescales resulting from i tem reduction indicated in thesection above. With a KMO of 0.86, four factorsexplaining 64% of the variance...