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Effect of Structured Physical Activity on Sleep-Wake Behaviors in Sedentary Elderly Adults with Mobility Limitations.


ABSTRACT: To evaluate the effect of structured physical activity on sleep-wake behaviors in sedentary community-dwelling elderly adults with mobility limitations.Multicenter, randomized trial of moderate-intensity physical activity versus health education, with sleep-wake behaviors prespecified as a tertiary outcome over a planned intervention period ranging from 24 to 30 months.Lifestyle Interventions and Independence for Elders Study.Community-dwelling persons aged 70 to 89 who were initially sedentary and had a Short Physical Performance Battery score less than 10 (N = 1,635).Sleep-wake behaviors were evaluated using the Insomnia Severity Index (ISI) (?8 defined insomnia), Epworth Sleepiness Scale (ESS) (?10 defined daytime drowsiness), and Pittsburgh Sleep Quality Index (PSQI) (>5 defined poor sleep quality) administered at baseline and 6, 18, and 30 months.The randomized groups were similar in terms of baseline demographic variables, including mean age (79) and sex (67% female). Structured physical activity resulted in a significantly lower likelihood of having poor sleep quality (adjusted odds ratios (aOR) for PSQI >5 = 0.80, 95% confidence interval (CI) = 0.68-0.94), including fewer new cases (aOR for PSQI >5 = 0.70, 95% CI = 0.54-0.89), than health education but not in resolution of prevalent cases (aOR for PSQI ?5 = 1.13, 95% CI = 0.90-1.43). No significant intervention effects were observed for the ISI or ESS.Structured physical activity resulted in a lower likelihood of developing poor sleep quality (PSQI >5) over the intervention period than health education but had no effect on prevalent cases of poor sleep quality or on sleep-wake behaviors evaluated using the ISI or ESS. These results suggest that the benefit of physical activity in this sample was preventive and limited to sleep-wake behaviors evaluated using the PSQI.

SUBMITTER: Vaz Fragoso CA 

PROVIDER: S-EPMC4892176 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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Effect of Structured Physical Activity on Sleep-Wake Behaviors in Sedentary Elderly Adults with Mobility Limitations.

Vaz Fragoso Carlos A CA   Miller Michael E ME   King Abby C AC   Kritchevsky Stephen B SB   Liu Christine K CK   Myers Valerie H VH   Nadkarni Neelesh K NK   Pahor Marco M   Spring Bonnie J BJ   Gill Thomas M TM  

Journal of the American Geriatrics Society 20150626 7


<h4>Objectives</h4>To evaluate the effect of structured physical activity on sleep-wake behaviors in sedentary community-dwelling elderly adults with mobility limitations.<h4>Design</h4>Multicenter, randomized trial of moderate-intensity physical activity versus health education, with sleep-wake behaviors prespecified as a tertiary outcome over a planned intervention period ranging from 24 to 30 months.<h4>Setting</h4>Lifestyle Interventions and Independence for Elders Study.<h4>Participants</h4  ...[more]

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