Abstract
Background: Early detection of cognitive impairment and poor sleep quality are necessary to prevent dementia and the improve the quality of life further. This study aimed to investigate the cognitive impairment and poor sleep quality in the community-dwelling older adults and its association with socio-demographic and health characteristics. Methods: A cross-sectional study of 1,180 people in Northern Thailand aged 60 years and above was conducted in 2017. Mental State Examination-Thai version (MSET10) was used to measure cognitive function while the Pittsburgh Sleep Quality Index (PSQI) assessed sleep quality. Multiple logistic regression was used to analyze associations. Results: The prevalence of CI in older adults was 52.45% (95% CI: 49.64 - 55.42) which increased with age. The prevalence of poor sleep quality was 44.15% (95% CI: 1.29-47.03). Age, illiteracy, hypertension, comorbidities of hypertension and diabetes, alcohol consumption, lack of exercise, and depression were significantly associated with increased risk of CI, while being single, comorbidities of hypertension and diabetes, and depression were significantly associated with poor sleep quality. Conclusion: The rate of CI and poor sleep quality in older adults was relatively high in Thailand. Early detection of CI and poor sleep quality and screening for all risk factors are important to improve in access to service, optimization of medical management, reduction in risk factors, and increased quality of life in older adults.
Highlights
In 2019, the United Nations reported that 703 million people globally were 65 years and older and that this number would double to 1.5 billion in 2050 [1]
We found that the prevalence of poor sleep quality in older adults, who were single (48.01%, 95% Cognitive impairment (CI): 43.57-52.47) was higher than in those who were married
The multivariate logistic regression analysis showed that being single, having hypertension with diabetes, and depression were significantly associated with poor sleep quality (p = 0.01, 0.02, and 0.03, respectively)
Summary
In 2019, the United Nations reported that 703 million people globally were 65 years and older and that this number would double to 1.5 billion in 2050 [1]. Improvements in health care have contributed to healthier lives and people living longer. Longer life spans result in increasing numbers of people with non-communicable diseases and health problems, Functional decline associated with increasing age or not with diseases may cause an impact on the physical functions necessary to maintain independence, normal life function, and self-care. Causes of cognitive deficit among the elderly are dementia. Detection of cognitive impairment and poor sleep quality are necessary to prevent dementia and the improve the quality of life further. This study aimed to investigate the cognitive impairment and poor sleep quality in the community-dwelling older adults and its association with sociodemographic and health characteristics
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