Evidence map›Paper›PMID 35347843›Full record

ArticleAlzheimer's & dementia : the journal of the Alzheimer's Association2023

High lifelong cognitive reserve prolongs disability-free survival: The role of cognitive function.

Xuerui Li, Wenzhe Yang, Jiao Wang, Abigail Dove, Xiuying Qi, David A Bennett, Weili Xu

Open access · greenAbstract read
In one paragraph

Article in Alzheimer's & dementia : the journal of the Alzheimer's Association, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
2.4field-weighted citation impact, top 11% of its field
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

6 citing papers in PubMed, 16 citations in OpenAlex.

  1. A lifespan perspective on cognitive reserve and risk for dementia.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Article
  2. Article
  3. Influence of cognitive reserve on risk of depression and subsequent dementia: A large community-based longitudinal study.European psychiatry : the journal of the Association of European Psychiatrists · 2024
    Article
  4. Article
  5. High lifelong cognitive reserve prolongs disability-free survival: The role of cognitive function.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2023
    Article
  6. Toward harmonization of strategies for investigating lucidity in AD/ADRD: A preliminary research framework.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2023
    Article
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

7 authors at 4 institutions in 3 countries.

Xuerui LiDepartment of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China.
Wenzhe YangDepartment of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China.
Jiao WangDepartment of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China.
Abigail DoveAging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden.
Xiuying QiDepartment of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China.
David A BennettRush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois, USA.
Weili XuDepartment of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China.
Tianjin Medical University · CNCollaborative Innovation Center of Chemical Science and Engineering Tianjin · CNKarolinska Institutet · SERush University Medical Center · US

Funding

EPIDEMIOLOGY OF NEURAL RESERVE AND NEUROBIOLOGY IN AGINGR01AG017917 · NIA · RUSH UNIVERSITY MEDICAL CENTER · PI BENNETT, DAVID ALAN · 2001 to 2023
$43.3M
NIA NIH HHS R01 AG017917
6 · The paper itself

Abstract

introductionThe association between cognitive reserve (CR) and survival with independence is unknown. We examined whether lifelong CR accumulation is associated with disability-free survival and explored the extent to which cognitive function mediates this association.

methodsWithin the Rush Memory and Aging Project, 1633 dementia- and disability-free participants were followed annually for up to 22 years. Lifelong CR including education, early-/mid-/late-life cognitive activities, and late-life social activity was assessed and tertiled.

resultsCR score was dose-dependently associated with disability/death (hazard ratio [HR] 0.96, 95% confidence interval [CI] 0.93-0.99). Compared to low CR, the HR (95% CI) of disability/death was 0.82 (0.70-0.95) for high CR. The median disability-free survival time was prolonged by 0.99 (95% CI 0.28-1.71) years for participants with high CR. Cognitive function mediated 35.7% of the association between CR and disability-free survival. DISCUSSION: High lifelong CR was associated with prolonged disability-free survival. Cognitive function mediates about one-third of this association. Our findings underscore the importance of CR for healthy aging.

Indexed as

Cognitive ReservePersons with DisabilitiesAgingCognitionEducational StatusHumanscognitive functioncognitive reservecommunity-based cohort studydisabilitysurvival

Identifiers

PMID35347843
PMCPMC10084126
OpenAlexW4220744409

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

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.