The Effect of Physical Activity on Sleep Quality among Older Stroke Survivors: Secondary Analysis from a Randomized Controlled Trial

Srujitha Marupuru, Melanie L. Bell, Michael A. Grandner and Ruth E. Taylor-Piliae ()
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Srujitha Marupuru: College of Pharmacy, The University of Arizona, Tucson, AZ 85721, USA
Melanie L. Bell: College of Public Health, The University of Arizona, Tucson, AZ 85721, USA
Michael A. Grandner: College of Medicine, The University of Arizona, Tucson, AZ 85721, USA
Ruth E. Taylor-Piliae: College of Nursing, The University of Arizona, Tucson, AZ 85721, USA

IJERPH, 2022, vol. 19, issue 20, 1-10

Abstract: Poor sleep quality constitutes one of the most common difficulties faced by stroke survivors. Physical activity has been shown to improve sleep quality among healthy adults. The study objective was to examine the effect of physical activity on sleep outcomes in community-dwelling stroke survivors previously enrolled in a randomized clinical trial (RCT). Secondary analysis of data collected in the RCT was used to examine the effects of physical activity (PA) on sleep outcomes using the Pittsburgh Sleep Quality Index (PSQI), compared to usual care (controls). Unadjusted and adjusted mixed effects models were used to model changes in sleep quality between groups. At baseline, poor sleep quality (PSQI > 5) was reported by about half of the participants (PA group = 48.5%, n = 47/97; controls = 56.3%, n = 27/48). Results from the unadjusted and adjusted models for sleep quality were similar and showed no statistically significant differences between groups ( p > 0.05). In the unadjusted model, the difference between groups (change from baseline to 24 weeks) showed that the PA group had better sleep quality than the controls (difference= −1.02 points, 95% CI −2.12, 0.07, p = 0.07). In the model adjusted for age, social support, and marital status, the difference between groups (change from baseline to 24 weeks) showed that the PA group had better sleep quality than the controls (difference= −1.07 points, 95% CI −2.19, 0.05, p = 0.06). PA did not significantly improve sleep quality in older community-dwelling stroke survivors. Further research is needed to confirm or refute these findings.

Keywords: chronic stroke; clinical trial; physical activity; sleep quality; stroke rehabilitation (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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