Association between the self-reported duration and quality of sleep and cognitive function among middle-aged and older adults in China

Li, Minchao; Wang, Nan; Dupre, Matthew E.

doi:10.1016/j.jad.2022.02.039

Cited by 39 publications

(21 citation statements)

References 58 publications

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“…Self-rated sleep quality reflects the individual’s subjective perception of their daily sleep, and is also a general indicator widely used in assessment of sleep quality ( 52 ). Results from this study confirmed the effect of self-rated sleep quality on anxiety among the elderly.…”

Section: Discussionmentioning

confidence: 99%

The prevalence of anxiety and its key influencing factors among the elderly in China

Liu

Xu²,

Yang³

et al. 2023

Front. Psychiatry

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IntroductionWith the rapid aging population, the mental health of older adults is paid more and more attention. Anxiety is a common mental health illness in older adults. Therefore, the study aimed to explore the current situation of anxiety and its factors among the elderly in China.MethodsBased on the data from 2018 Chinese Longitudinal Healthy Longevity Survey (CLHLS), a total of 10,982 respondents aged 60 and above were selected. Generalized Anxiety Disorder (GAD-7) scale was used to assess the anxiety. Univariate and multivariate analysis were used to analyze the influencing factors of anxiety. Random forest was established to rank the importance of each influencing factors.ResultsThe results showed that the prevalence of anxiety among the elderly was 11.24%. Anxiety was mainly associated with 14 factors from five aspects: sociodemographic characteristics, health status, psychological state, social trust and social participation, among which loneliness related to psychological status was the most important factor.DiscussionThe revelation of this study is that the present situation of anxiety among the elderly cannot be ignored, and it is necessary to take measures to prevent and control it from many aspects.

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Section: Discussionmentioning

confidence: 99%

The prevalence of anxiety and its key influencing factors among the elderly in China

Liu

Xu²,

Yang³

et al. 2023

Front. Psychiatry

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“…To measure sleep duration, we used the following question: “How many hours of actual sleep did you get at night (average hours for one night)?” To further examine any association between sleep duration ranges and cognitive function, participants were divided into short (<6 h), moderate (6–8 h; reference group), and long (>8 h) groups ( Li et al, 2022 ; Ding et al, 2020 ). According to the results of restricted cubic spline (RCS), we recoded sleep duration as a dichotomous variable (≤7h vs. > 7 h) to better understand the relationship between change in sleep duration and cognitive change.…”

Section: Methodsmentioning

confidence: 99%

Longitudinal associations between sleep duration and cognitive impairment in Chinese elderly

Chen

Wang

2022

Front. Aging Neurosci.

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BackgroundAge-associated cognitive decline has become a major threat to both personal welfare and public health and can further develop into Dementia/Alzheimer’s disease. Sleep is significantly correlated with cognitive function, but both cognitive impairment and sleep problems increase with normal aging. This study explored how sleep duration affects cognitive performance among older adults in China.MethodsUsing data from the Chinese Longitudinal Healthy Longevity Survey (CLHLS) in 2014 and 2018, cognitive function was assessed via the Mini-Mental State Examination (MMSE), which included five domains: orientation, registration, attention or calculation, recall, and language. Logistic regression was used to examine whether the change in sleep duration was a risk factor for cognitive impairment. We also used multinomial logistic regression to study the impact of sleep duration and the changes in sleep duration on cognitive changes during the follow-up period.ResultsThe empirical study showed a U-shaped relationship between sleep duration and increased risk of cognitive impairment. Short (< 6 hours) and long (> 8 hours) sleep durations were positively associated with cognitive impairment. Tests of interactions between sleep duration and sleep quality showed that short sleep durations with fair sleep quality had an increased risk of cognitive impairment. Further, the participants were divided into three groups: normal cognition (MMSE > 24), mild cognitive impairment (MCI, 18 ≤ MMSE score ≤ 24), and severe cognitive impairment (MMSE < 18). First, of the participants with normal cognition at baseline, those who sleeping > 7 h at follow-up and > 7 h at both baseline and 4-year follow-up assessments could increase the risk of cognitive impairment. Second, for individuals with MCI at baseline, those who transitioned to sleeping > 7 h at follow-up period and > 7 h at both baseline and 4-year follow-up assessments had a lower chance of reverting to normal cognition.ConclusionExcessive sleep may be a major risk for cognitive impairment among older adults. Furthermore, a moderate amount of sleep could be a possible strategy to prevent cognitive impairment.

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“…Furthermore, the answers of participants were double-checked with the question “Is the disease record from the last survey correct?” to minimize the potential risk of recall bias. The question “How often do you feel the quality of your sleep is bad during sleep last week?” was used to assess sleep quality and responses were categorized into “good” (<1 day), “fair” (1–2 or 3–4 days) and “poor” (5–7 days) ( 39 ).…”

Section: Methodsmentioning

confidence: 99%

Association of nocturnal sleep duration and midday napping with subjective poor hearing among middle-aged and older adults in China

Cui

Guo

et al. 2023

Front. Public Health

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BackgroundHearing loss has occurred as a critical concern for aging and health. However, it remains unknown whether nocturnal sleep and midday napping duration are associated with hearing loss in middle-aged and older adults.MethodsThe study comprised 9,573 adults from China Health and Retirement Longitudinal Study, who have completed the survey for sleep characteristics and subjective functional hearing. We collected self-reported nocturnal sleep duration (<5, 5 to <6, 6 to <7, 7 to <9, ≥9 h/night) and midday napping duration (≤5, 5 to ≤30, and >30 min). The sleep information was classified into different sleep patterns. The primary outcome was self-reported hearing loss events. Multivariate Cox regression models and restricted cubic splines were used to investigate the longitudinal association of sleep characteristics with hearing loss. We applied Cox generalized additive models and bivariate exposure-response surface diagrams to visualize the effects of different sleep patterns on hearing loss.ResultsWe confirmed 1,073 cases of hearing loss (55.1% female) during the follow-up. After adjusting for demographic characteristics, lifestyle factors and health condition, nocturnal sleep with < 5 h was positively associated with hearing loss [hazard ratio (HR): 1.45, 95% confidence interval [CI]: 1.20, 1.75]. Individuals with napping for 5 to ≤30 min had a 20% (HR: 0.80, 95%CI: 0.63, 1.00) lower risk of hearing loss compared with those with napping ≤ 5 min. Restrictive cubic splines showed the reverse J-shaped association between nocturnal sleep and hearing loss. Moreover, we found significant joint effects of sleeping < 7 h/night and midday napping ≤ 5 min (HR: 1.27, 95% CI: 1.06, 1.52) on hearing loss. Bivariate exposure-response surface diagrams also reflected the finding that short sleep without napping existed the highest risk of hearing loss. Compared with persistently sleeping moderately (7–9 h/night), those who persistently slept < 7 h/night or shifted from < 7 h/night to moderate or > 9 h/night had higher risks of hearing loss.ConclusionInadequate nocturnal sleep was associated with an elevated risk of poor subjective hearing in middle-aged and older adults, while moderate napping decreased the risk of hearing loss. Keeping sleep stable within recommendation duration may be a useful strategy for preventing poor hearing loss.

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Association between the self-reported duration and quality of sleep and cognitive function among middle-aged and older adults in China

Cited by 39 publications

References 58 publications

The prevalence of anxiety and its key influencing factors among the elderly in China

The prevalence of anxiety and its key influencing factors among the elderly in China

Longitudinal associations between sleep duration and cognitive impairment in Chinese elderly

Association of nocturnal sleep duration and midday napping with subjective poor hearing among middle-aged and older adults in China

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