Depression symptoms are associated with key health outcomes in women with fibromyalgia: a cross-sectional study.

Aim: To analyze the association between depression severity and other fibromyalgia- (FM) related symptoms such as pain, fatigue, sleep problems, severity of the disease, activity pattern, functional capacity and quality of life.

Method: The sample included 105 Spanish women with FM. Quality of life was assessed by means of the EQ-5D and symptom severity by the Fibromyalgia Impact Questionnaire.