Objective: To investigate the association between sleep duration and cognitive frailty among older adults dwelling in western China. Methods: We used the baseline data from West China Health and Aging Trend (WCHAT) study. Sleep duration was classified as short sleep duration (< 6 h), normal sleep duration (6–8 h) and long sleep duration (≥ 9 h). Fried frailty criteria and Short Portable Mental Status Questionnaire were used to measure cognitive frailty. Multinomial logistic regression was conducted to estimate odds ratio (OR) and 95% confidence interval (CI). Results: A total of 4093 older adults (age = 67.8 ± 5.9 years, 1708 males and 2385 females) were included in the analysis. The prevalence of cognitive frailty was 11.8% among older adults in western China. Approximately 11.9% participants had short sleep duration (< 6 h); 22.2% had a long sleep duration (≥ 9 h). After adjusting for covariates, only long sleep duration was significantly associated with high risk of cognitive frailty (OR = 2.07, 95%CI = 1.60–2.68, P < 0.001) in western China older adults compared to normal sleep duration. Conclusions: Long sleep duration was significantly related to cognitive frailty in older adults. Intervention for long sleep duration may be helpful to prevent cognitive frailty. Trial registration: Chinese Clinical Trial Registry: ChiCTR1800018895.
CITATION STYLE
Zhao, Y., Lu, Y., Zhao, W., Wang, Y., Ge, M., Zhou, L., … Hao, Q. (2021). Long sleep duration is associated with cognitive frailty among older community-dwelling adults: results from West China Health and Aging Trend study. BMC Geriatrics, 21(1). https://doi.org/10.1186/s12877-021-02455-9
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