Health Qual Life Out
-
Health Qual Life Out · Jan 2009
Randomized Controlled TrialPsychometric properties of a single-item scale to assess sleep quality among individuals with fibromyalgia.
Sleep disturbances are a common and bothersome symptom of fibromyalgia (FM). This study reports psychometric properties of a single-item scale to assess sleep quality among individuals with FM. ⋯ These results provide evidence of the reproducibility, convergent validity, and responsiveness to treatment of the Sleep Quality Scale and provide a foundation for its further use and evaluation in FM patients.