Psychometric Properties of the Fibromyalgia Survey Questionnaire in Chilean Women With Fibromyalgia.

Objective: The aim of this study was to evaluate the psychometric properties of the Chilean version of the Fibromyalgia Survey Questionnaire (FSQ).

Methods: Women with fibromyalgia (FM; n = 214), women with rheumatoid arthritis (RA; n = 97), and women without chronic pain (being followed by Gynecology, G; n = 117) from the Red de Salud UC CHRISTUS (Santiago, Chile) participated. Women with FM completed the FSQ, Fibromyalgia Impact Questionnaire (Revised Version), Numerical Pain Rating Scale, Pain Catastrophizing Scale, Pain Vigilance and Awareness Questionnaire, Patient Health Questionnaire 15, and Short-Form Health Survey.