Persistently short or long sleep duration increases the risk of sensory impairment in Chinese older adults

Yang, Ling; Du, Jing; Duan, Ying; Cui, Yan; Qi, Qi; Liu, Zihao; Liu, Huaqing

doi:10.3389/fpubh.2024.1329134

Cited by 3 publications

(1 citation statement)

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“…This not only leads to various physical illnesses, such as stroke and coronary heart disease ( 13 ), but also increases the risk of anxiety and depression ( 14 , 15 ). In addition, studies from the work arrangement perspective show that shift arrangements and night work increase depression, anxiety, cognitive impairment and even suicidal tendencies ( 16 – 19 ). This is because irregular working hours may disrupt social networks, leading to feelings of loneliness and isolation, which in turn increase mental stress ( 20 ).…”

Section: Introductionmentioning

confidence: 99%

How does working time impact perceived mental disorders? New insights into the U-shaped relationship

Niu,

Li,

Xia

2024

Front. Public Health

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Based on a large-scale nationally representative survey in China, this paper uses the exogenous impact of automation on working hours as the instrumental variable to examine working time’s impact on perceived mental disorders, on the basis of dealing with endogeneity. Different from existing literature, it is found that the impact of working time on perceived mental disorders is U-shaped, rather than linear. Mental disorders firstly decrease with working hours. After working more than 48.688 h per week, further increases in working time carry notable mental health costs, leading to a positive relationship between working hours and depression. The turning point of this U-shaped relationship is almost in line with the International Labor Organization’s 48 working hours/week standard, justifying it from a mental health perspective. In addition, we further exclude the possibility of more complex nonlinear relationships between working time and perceived mental disorders. Furthermore, heterogeneities are found in the effects of working hours on mental disorders across different subgroups. Males are more depressed when working overtime. Older workers have a lower tolerance for overwork stress. The turning point is smaller for the highly educated group and they are more sensitive to working longer. Those with higher socioeconomic status are less depressed after exceeding the optimal hours of work. The increase in depression among rural workers faced with overwork is not prominent. Perceived mental disorders are lower among immigrants and those with higher health status. In addition, labor protection and social security help to weaken mental disorders caused by overtime work. In conclusion, this paper demonstrates that working time has a U-shaped impact on perceived mental disorders and highlights the vulnerability of certain groups, providing a reference for setting optimal working hours from a mental health perspective.

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Section: Introductionmentioning

confidence: 99%

How does working time impact perceived mental disorders? New insights into the U-shaped relationship

Niu,

Li,

Xia

2024

Front. Public Health

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Association of Leisure Activities with Sleep Duration and Quality in Chinese Older Adults

Liu,

Zhang,

Zhao

et al. 2024

Sage Open

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This study aimed to investigate the association between leisure activities and sleep among older adults, using data from the Chinese Longitudinal Healthy Longevity Survey (CLHLS). The data in this study were from the CLHLS in 2018. Seven activities including outdoor activities, gardening work, reading newspapers or books, raising domestic animals or pets, playing cards or mahjong, watching TV or listening to the radio, and participating in social activities were collected to reflect leisure activities. Subjective sleep quality was classified as normal and poor and sleep time is divided into short sleep duration, normal sleep duration, and long sleep duration by self-report of older people. Logistic regression analyses were employed to test the association between specific leisure activities and sleep. Older adults who usually participated in leisure activities had a lower rate of poor subjective sleep quality and long sleep duration than those who never participated in leisure activities, and no significant differences were found in the short sleep duration group. Compared with older adults who participated in no leisure activity, those who participated in one or more leisure activities had a lower rate of long sleep duration. The findings provide evidence that the greater frequency and number of participations in leisure activities are associated with a lower rate of poor subjective sleep quality and long sleep duration among Chinese older adults. Encouraging older people to participate frequently in a larger number of leisure activities could improve the sleep conditions of older adults.

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A study on cognitive trajectory changes and predictive factors in middle-aged and older adults individuals with dual sensory impairment based on the health social determinants model

Ma,

Pang,

Liu

et al. 2024

Front. Public Health

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AimThis study aims to explore the cognitive trajectory changes in middle-aged and older adults individuals with dual sensory impairment (simultaneous visual and hearing impairment) and to identify the predictors of different trajectory changes.MethodsBased on the longitudinal data from the China Health and Retirement Longitudinal Study (CHARLS) from 2013 to 2020, data from 2,369 middle-aged and older adults individuals with dual sensory impairment were selected. A latent variable growth mixture model was constructed to analyze the cognitive function development trajectories in this population and to identify their predictive factors.ResultsThe cognitive function development trajectories in the middle-aged and older adults population can be categorized into three types: high cognitive level stable group, low cognitive level slowly declining group, and moderate cognitive level rapidly declining group. Logistic regression analysis showed that age (OR 30.544; 95% CI 9.35–99.754; p < 0.001), sleep duration (OR 0.559; 95% CI 0.343–0.909; p < 0.005), education (OR 0.009; 95% CI 0.003–0.025; p < 0.001), marital status (OR 2.122; 95% CI 1.457–3.090; p < 0.001), social participation (OR 0.499; 95% CI 0.379–0.658; p < 0.001), place of residence (OR 1.471; 95% CI 1.089–1.988; p < 0.001), and medical insurance (OR 0.353; 95% CI 0.169–0.736; p < 0.005) are predictive factors for cognitive function trajectories in this population.ConclusionThere is group heterogeneity in the cognitive function development trajectories among middle-aged and older adults individuals with dual sensory impairment. Factors such as less than 4 h of nighttime sleep, low social participation, alcohol consumption, and lack of medical insurance are modifiable risk factors for cognitive decline in this population. Preventive strategies should be formulated accordingly, especially for vulnerable groups, including older rural residents and those with lower educational attainment, to prevent cognitive function deterioration in middle-aged and older adults individuals with dual sensory impairment.

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Persistently short or long sleep duration increases the risk of sensory impairment in Chinese older adults

Cited by 3 publications

References 50 publications

How does working time impact perceived mental disorders? New insights into the U-shaped relationship

How does working time impact perceived mental disorders? New insights into the U-shaped relationship

Association of Leisure Activities with Sleep Duration and Quality in Chinese Older Adults

A study on cognitive trajectory changes and predictive factors in middle-aged and older adults individuals with dual sensory impairment based on the health social determinants model

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