Evidence map›Paper›PMID 38640127›Full record

ArticleAge and ageing2024

Sex differences in cognitive decline among middle-aged and older adults: a cohort study in Europe.

Katrin Wolfova, Barbora Frycova, Dominika Seblova, Sarah Tom, Vegard Fykse Skirbekk, Pavla Brennan Kearns

Open access · hybridAbstract read
In one paragraph

Article in Age and ageing, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
1.6field-weighted citation impact, top 17% 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

4 citing papers in PubMed, 1 synthesis or guideline pooled it, 3 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. 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

6 authors at 3 institutions in 3 countries.

Katrin WolfovaDepartment of Epidemiology, Second Faculty of Medicine, Charles University, Prague 150 06, Czech Republic.ORCID 0000-0003-0295-8848
Barbora FrycovaDepartment of Epidemiology, Second Faculty of Medicine, Charles University, Prague 150 06, Czech Republic.
Dominika SeblovaDepartment of Epidemiology, Second Faculty of Medicine, Charles University, Prague 150 06, Czech Republic.
Sarah TomDepartment of Neurology, Columbia University, New York 10032, NY, USA.
Vegard Fykse SkirbekkCentre for Fertility and Health, The Norwegian Institute of Public Health, Oslo 0473, Norway.
Pavla Brennan KearnsDepartment of Epidemiology, Second Faculty of Medicine, Charles University, Prague 150 06, Czech Republic.
Czech Academy of Sciences · CZColumbia University · USNorwegian Institute of Public Health · NO

Funding

Changing lives, changing brains: How modern family and work life influences ADRD risksR01AG069109 · NIA · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI STERN, YAAKOV · 2020 to 2025
$3.1M
Enhancing the Comparability of SHARE with HRS and ELSAR01AG052527 · NIA · MAX PLANCK INST/SOCIAL LAW/SOCIAL POLICY · PI BOERSCH-SUPAN, AXEL H · 2016 to 2020
$2.1M
NIA NIH HHS HHSN271201300071CNIA NIH HHS R01 AG052527NIA NIH HHS R01 AG069109NIA NIH HHS R01AG069109-01
6 · The paper itself

Abstract

objectivesPrevious studies on sex differences in cognitive decline provide inconsistent findings, with many European countries being underrepresented. We determined the association between sex and cognitive decline in a sample of Europeans and explored differences across birth cohorts and regions.

methodsParticipants 50+ years old enrolled in the Survey of Health, Ageing and Retirement in Europe had their cognition measured by tests of immediate recall, delayed recall and verbal fluency biennially up to 17 years of follow-up (median 6, interquartile range 3-9 years). We used linear mixed-effects models to assess the relationship between sex and the rate of cognitive decline, adjusting for sociodemographic and health-related characteristics.

resultsOf 66,670 participants (mean baseline age 63.5 ± standard deviation 9.4), 55% were female. Males and females had similar rates of decline in the whole sample in immediate recall (beta for interaction sex × time B = 0.002, 95% CI -0.001 to 0.006), delayed recall (B = 0.000, 95% CI -0.004 to 0.004), and verbal fluency (B = 0.008, 95% CI -0.005 to 0.020). Females born before World War II had a faster rate of decline in immediate recall and delayed recall compared to males, while females born during or after World War II had a slower rate of decline in immediate recall. Females in Central and Eastern Europe had a slower rate of cognitive decline in delayed recall compared to males. DISCUSSION: Our study does not provide strong evidence of sex differences in cognitive decline among older Europeans. However, we identified heterogeneity across birth cohorts and regions.

Indexed as

Cognitive DysfunctionSex CharacteristicsAgedAgingCognitionCohort StudiesEuropeFemaleHumansLongitudinal StudiesMaleMiddle Agedcognitioncognitive declinedementiaolder peoplesex differences

Identifiers

PMID38640127
PMCPMC11028402
OpenAlexW4394965144

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.