Observational studyBMC geriatrics2025
Effects of sleep quality on the risk of various long COVID symptoms among older adults following infection: an observational study.
Observational study in BMC geriatrics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe long-term sequelae of coronavirus disease 2019 (COVID-19) and its recovery have becoming significant public health concerns. Therefore, this study aimed to enhance the limited evidence regarding the relationship between sleep quality on long COVID among the older population aged 60 years or old.
methodsOur study included 4,781 COVID-19 patients enrolled from April to May 2023, based on the Peking University Health Cohort. Sleep quality was assessed using the Pittsburgh Sleep Quality Index (PSQI) scale. Long COVID was evaluated by well-trained health professionals through patients' self-reported symptoms. Binary logistic regression models were employed to calculate odds ratios (OR) and 95% confidence intervals (95% CI).
resultsThe prevalence of long COVID among older adults was 57.4% (2,743/4,781). Specifically, the prevalence of general symptoms, cardiovascular symptoms, respiratory symptoms, gastrointestinal symptoms, and neurological and psychiatric symptoms was 47.7% (2,282/4,781), 3.4% (163/4,781), 35.2% (1683/4,781), 8.7% (416/4,781) and 5.8% (279/4,781), respectively. For each one-point increase in PSQI scores, the risk of long COVID, general symptoms, cardiovascular symptoms, gastrointestinal symptoms, and neurological and psychiatric symptoms increased by 3% (95% CI: 1.01, 1.06), 3% (95% CI: 1.01, 1.06), 7% (95% CI: 1.01, 1.13), 11% (95% CI: 1.07, 1.15), and 20% (95% CI: 1.15, 1.25), respectively. In multivariate models, compared with good sleepers, COVID-19 patients with poor sleep quality exhibited an increased risk of general symptoms (aOR = 1.17; 95% CI: 1.03, 1.33), cardiovascular symptoms (aOR = 1.50; 95% CI: 1.06, 2.14), gastrointestinal symptoms (aOR = 2.03; 95% CI: 1.61, 2.54), and neurological and psychiatric symptoms (aOR = 2.57; 95% CI = 1.96, 3.37).
conclusionsOur findings indicate that poor sleep quality is related to various manifestations of long COVID in older populations. A comprehensive assessment and multidisciplinary management of sleep health and long COVID may be essential to ensure healthy aging in the future.
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