DOCTES

"Purpose
To examine the bidirectional relationships between sleep quality and cognitive function in older Chinese, and further examine the sex differences in the relationships using the random intercept cross-lagged panel model.
Design
A secondary observational analysis of a physical activity clustered randomized controlled trial (The Stay Active While Aging).
Setting
Eight villages in Sichuan, China.
Subjects
A total of 511 adults aged 60 or older. The response rate was 97.3%.
Measures
The Pittsburgh Sleep Quality Index was used to examine sleep quality. Cognitive function was assessed by the Telephone Interview for Cognitive Status.
Results
The mean age was 71.0 (SD, 5.710) years and 227 (44.4%) were men. Sleep quality in the previous wave was associated with cognitive function in the subsequent wave (β = −0.135, [95%CI -0.244 to −0.026], wave 2 to 3; β = −0.108, [95%CI -0.204 to −0.013], wave 4 to 5). Cognitive function in the previous wave was associated with sleep quality in the subsequent wave (β = −0.404, [95%CI -0.566 to −0.242], wave 3 to 4; β = −0.224, [95%CI -0.392 to −0.055], wave 4 to 5). Such relationships were significant only in women.
Conclusions
There were bidirectional relationships between sleep quality and cognitive function in older adults, especially in women. Future cognition interventions may find it helpful to improve sleep quality, and vice versa, particularly in women."

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RESOdoc

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Cote	Code-barres	Support	Localisation	Disponibilité
RESO A.19	RE65682750	Bulletin	RESOdoc	Consultation sur place Disponible

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