Evidence map›Paper›PMID 33380318›Full record

ArticleBMC geriatrics2020

Sleep duration and all-cause mortality in the elderly in China: a population-based cohort study.

Yanfeng Ren, Maohua Miao, Wei Yuan, Jiangwei Sun

Abstract read
In one paragraph

Article in BMC geriatrics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

21 citing papers in PubMed.

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  19. Time to Sleep?-A Review of the Impact of the COVID-19 Pandemic on Sleep and Mental Health.International journal of environmental research and public health · 2022
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Yanfeng RenDepartment of Health Statistics, School of Public Health, Weifang Medical University, Shandong, China.
Maohua MiaoNHC Key Lab. of Reproduction Regulation, Shanghai Institute of Planned Parenthood Research), Fudan University, Shanghai, China.
Wei YuanNHC Key Lab. of Reproduction Regulation, Shanghai Institute of Planned Parenthood Research), Fudan University, Shanghai, China.
Jiangwei SunInstitute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden. jiangwei.sun@ki.se.ORCID 0000-0003-2252-684X

Funding

Shandong Medical and Health Science and Technology Development Project 2018WS060
6 · The paper itself

Abstract

backgroundAlthough a U-shaped association between sleep duration and all-cause mortality has been found in general population, its association in the elderly adults, especially in the oldest-old, is rarely explored.

methodsIn present cohort study, we prospectively explore the association between sleep duration and all-cause mortality among 15,092 participants enrolled in the Chinese Longitudinal Healthy Longevity Survey (CLHLS) from 2005 to 2019. Sleep duration and death information was collected by using structured questionnaires. Cox regression model with sleep duration as a time-varying exposure was performed to calculate the hazard ratios (HRs) and 95% confidence intervals (CIs). The dose-response association between them was explored via a restricted cubic spline function.

resultsDuring an average follow-up of 4.51 (standard deviation, SD: 3.62) years, 10,768 participants died during the follow-up period. The mean (SD) age of the participants was 89.26 (11.56) years old. Compared to individuals with moderate sleep duration (7-8 hours), individuals with long sleep duration (> 8 hours) had a significantly higher risk of all-cause mortality (HR: 1.13, 95%CI: 1.09-1.18), but not among individuals with short sleep duration (≤ 6 hours) (HR: 1.02, 95%CI: 0.96-1.09). Similar results were observed in subgroup analyses based on age and gender. In the dose-response analysis, a J-shaped association was observed.

conclusionsSleep duration was associated with all-cause mortality in a J-shaped pattern in the elderly population in China.

Indexed as

Activities of Daily LivingSleepAgedAged, 80 and overChinaCohort StudiesFemaleHumansMaleMortalityRisk FactorsAll-cause mortalityCohortElderlySleep duration

Identifiers

PMID33380318
PMCPMC7772911

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.