• Meng-Yueh Chien and Hsi-Chung Chen.
• College of Medicine, National Taiwan University, Taipei, and the Physical Therapy Center of National Taiwan University Hospital, Taiwan.
• J Clin Sleep Med. 2015 Mar 15; 11 (3): 225-32.

Study ObjectiveWe aimed to evaluate the association between sleep quality and physical disability in community-dwelling older adults.MethodsThere were 213 community-dwelling adults (76 men and 137 women) aged 65 years and above participated into this investigation. The Groningen Activity Restriction Scale and the Pittsburgh Sleep Quality Index were utilized to evaluate physical disability and subjective sleep quality, respectively. Global functional capacity was measured by the 6-minute walk test (6MWT). The Mini Mental State Examination and the Chinese Geriatric Depression Screening Scale were used to evaluate cognitive function and depression.ResultsUnivariate analysis revealed a correlation between physical disability and poor sleep quality, older age, 2 or more comorbidities, depression, functional capacity, and poor cognitive function. However, in the multivariate analyses, depression failed to show significant association with physical disability. In contrast, an independent association was observed between poor sleep quality and physical disability (OR = 2.03; 95% CI: 1.02-4.05).ConclusionsIn community-dwelling older adults, subjective poor sleep was significantly associated with physical disability, even after controlling for the effects of other established risk factors.© 2014 American Academy of Sleep Medicine.

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