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Poor sleep quality linked to greater disability in rheumatoid arthritis patients

Washington , Wed, 16 Feb 2011 ANI

Washington, Feb 16 (ANI): Researchers have found that poor sleep quality is associated with higher levels of depressive symptoms, greater pain severity, increased fatigue, and greater functional disability in patients with Rheumatoid Arthritis (RA).

 

The study at the University of Pittsburgh School of Nursing suggests that addressing sleep problems via pharmacological or behavioral interventions may have a critical impact on the health and lives of patients with RA.

 

The study represents a cross-sectional examination of the relationship between sleep quality and functional disability in 162 patients with RA.

 

The sample had an average age of 58.5 years, and 76 percent were female. All patients had been diagnosed with RA for at least two years; on average, patients had RA for 14 years.

 

Participants completed the following questionnaires: Pittsburgh Sleep Quality Index (PSQI), Beck Depression Inventory-II, Medical Outcomes Study Short Form - 36, and the Health Assessment Questionnaire.

 

The results provided input on their sleep quality, depression, fatigue, and functional disability and pain severity, respectively. Patients also provided sociodemographic information and their medical history.

 

Results show that sleep quality has an indirect effect on functional disability after controlling for age, gender and number of comorbities.

 

According to the PSQI results, 61 percent of patients were poor sleepers and 33 percent reported having pain that disturbed their sleep three or more times per week.

 

The study appeared in the Feb. 15 issue of the Journal of Clinical Sleep Medicine. (ANI)

 


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