Racial/ethnic differences in sleep quality among older adults with osteoarthritis

Sleep Health
Patricia A ParmeleeDylan M Smith

Abstract

To examine racial/ethnic differences in sleep quality and the pain-sleep association among older adults with osteoarthritis of the knee. Baseline interview followed by a 7-day microlongitudinal study using accelerometry and self-reports. Participants were community residents in western Alabama and Long Island, NY. Ninety-six African Americans (AAs) and 128 non-Hispanic whites (NHWs) with physician-diagnosed knee osteoarthritis, recruited from a variety of clinical and community settings. Self-reports yielded demographics, body mass index, physical health problems, and depressive symptoms. Sleep quality was measured for 3 to 7 nights using wrist-worn accelerometers; pain was self-reported daily over the same period. With demographics and health controlled, AAs displayed poorer sleep efficiency, greater time awake after sleep onset and sleep fragmentation, and marginally more awakenings during the night, but no differences in total sleep time. AAs also showed greater night-to-night variability in number of awakenings and sleep fragmentation, and marginally greater variability in total sleep time and sleep efficiency. Sleep quality was not associated with pain either the day before sleep or the day after. Average daily pain intera...Continue Reading

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