Key result
Multimorbidity linked to ~27% higher odds of poor sleep quality in elderly community dwellers.
Why the study?
Multimorbidity is highly prevalent among the elderly and linked to adverse outcomes, but little is known about its relationship with sleep issues in this population.
Does multimorbidity affect sleep quality and duration in elderly community dwellers?
Cross-Sectional (n=8,205)
Does multimorbidity affect sleep quality and duration in elderly community dwellers?
Odds Ratio: 1.27 (95% CI 1.14–1.41)
Absolute Event Rate: 50.6% vs 42.2%
p-value: p=<0.001
Multimorbidity is significantly associated with poor sleep quality and abnormal sleep duration in older community dwellers, with a dose-response relationship based on the number of chronic conditions.
Sleep assessment may warrant consideration in multimorbid elderly; cross-sectional data leave open causality and prospective trials.
Background: Multimorbidity, defined as the coexistence of two or more chronic diseases, is highly prevalent among the elderly population and is associated with adverse outcomes. However, little is known about its relationship with sleep issues, particularly in this demographic. Therefore, this study aimed to investigate its association with sleep quality and duration among the elderly. Methods: This cross-sectional study was conducted in Emin County, Xinjiang, China, which included a population aged 60 years and above. We employed the Pittsburgh Sleep Quality Index (PSQI) score to assess sleep quality and duration. Multimorbidity was determined through self-reports, physical examination, blood tests, and imaging. Logistic regression analyses were used to explore the association between multimorbidity and sleep patterns, adjusting for confounders. Results: A total of 8205 elderly participants were included, of whom 66.8% suffered from multimorbidity. Participants with multimorbidity exhibited higher total PSQI scores [6 (3,9)], and a higher percentage of poor sleep quality (50.6%), compared to those without multimorbidity. Multimorbidity was significantly associated with the presence of poor sleep quality (OR = 1.27, 95% CI: 1.14-1.41, P < 0.001) before and after adjusting for confounders. The risk of having poor sleep quality significantly increased as the number of multimorbidities increased. The OR (95% CI) values were 1.16 (1.02,1.32) for two diseases, 1.54 (1.26,1.90) for ≥5 diseases. In the adjusted model for total participants, having four diseases (OR = 1.26, 95% CI: 1.05-1.51, p = 0.013) and five or more diseases (OR = 1.29, 95% CI: 1.03-1.61, p = 0.029) were associated with shorter sleep duration. Furthermore, those with five or more diseases associated with longer sleep duration (OR = 1.40, 95% CI: 1.00-1.95, p = 0.057). Conclusion: There is a significant association between multimorbidity and poor sleep quality in older community dwellers, which may provide clues for disease prevention.
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Nuermaimaiti et al. (2024) conducted a cross-sectional in Multimorbidity and sleep quality (n=8,205). Multimorbidity vs. No multimorbidity was evaluated on Poor sleep quality (PSQI score ≥6) (OR 1.27, 95% CI 1.14-1.41, p=<0.001). Multimorbidity was significantly associated with higher odds of poor sleep quality among elderly community dwellers compared to those without multimorbidity (OR 1.27).
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