Evidence map›Paper›PMID 33077022›Full record

ArticleEpidemiology and psychiatric sciences2020

Parity and the risk of incident dementia: a COSMIC study.

J B Bae, D M Lipnicki, J W Han, P S Sachdev, T H Kim, K P Kwak, B J Kim, S G Kim, J L Kim, S W Moon and 25 more

Open access · goldAbstract read
In one paragraph

Article in Epidemiology and psychiatric sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
2.8field-weighted citation impact, top 8% 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

31 citing papers in PubMed, 47 citations in OpenAlex.

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  6. [Association Study of Parity With Adverse Pregnancy Outcomes].Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition · 2026
    Article
  7. Women's midlife: the front line of Alzheimer prevention.The Journal of clinical investigation · 2026
    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

35 authors at 19 institutions in 8 countries.

J B BaeDepartment of Neuropsychiatry, Seoul National University Bundang Hospital, Seongnam, South Korea.ORCID https://orcid.org/0000-0002-3913-1011
D M LipnickiCentre for Healthy Brain Ageing, University of New South Wales, Sydney, Australia.
J W HanDepartment of Neuropsychiatry, Seoul National University Bundang Hospital, Seongnam, South Korea.ORCID https://orcid.org/0000-0003-2418-4257
P S SachdevCentre for Healthy Brain Ageing, University of New South Wales, Sydney, Australia.
T H KimDepartment of Psychiatry, Yonsei University Wonju Severance Christian Hospital, Wonju, South Korea.ORCID https://orcid.org/0000-0003-0133-5227
K P KwakDepartment of Psychiatry, Dongguk University Gyeongju Hospital, Gyeongju, South Korea.ORCID https://orcid.org/0000-0003-4555-0105
B J KimDepartment of Psychiatry, Gyeongsang National University, School of Medicine, Jinju, South Korea.ORCID https://orcid.org/0000-0003-2419-7306
S G KimDepartment of Neuropsychiatry, Soonchunhyang University Bucheon Hospital, Bucheon, South Korea.ORCID https://orcid.org/0000-0001-8196-655X
J L KimDepartment of Psychiatry, School of Medicine, Chungnam National University, Daejeon, South Korea.ORCID https://orcid.org/0000-0002-6554-4637
S W MoonDepartment of Psychiatry, School of Medicine, Konkuk University and Konkuk University Chungju Hospital, Chungju, South Korea.ORCID https://orcid.org/0000-0002-1074-8122
J H ParkDepartment of Neuropsychiatry, Jeju National University Hospital, Jeju, South Korea.ORCID https://orcid.org/0000-0002-0396-5284
S-H RyuDepartment of Psychiatry, School of Medicine, Konkuk University and Konkuk University Medical Center, Seoul, South Korea.ORCID https://orcid.org/0000-0001-8057-8723
J C YounDepartment of Neuropsychiatry, Kyunggi Provincial Hospital for the Elderly, Yongin, South Korea.ORCID https://orcid.org/0000-0002-2904-8951
D Y LeeDepartment of Psychiatry, Seoul National University, College of Medicine, Seoul, South Korea.ORCID https://orcid.org/0000-0001-8976-8320
D W LeeDepartment of Neuropsychiatry, Inje University Sanggye Paik Hospital, Seoul, South Korea.ORCID https://orcid.org/0000-0002-6383-1974
S B LeeDepartment of Psychiatry, Dankook University Hospital, Cheonan, South Korea.ORCID https://orcid.org/0000-0002-5481-4697
J J LeeDepartment of Psychiatry, Dankook University Hospital, Cheonan, South Korea.ORCID https://orcid.org/0000-0002-0828-3557
J H JhooDepartment of Neuropsychiatry, Kangwon National University Hospital, Chuncheon, South Korea.ORCID https://orcid.org/0000-0002-8147-5782
I SkoogDepartment of Psychiatry and Neurochemistry, Institute of Neuroscience of Physiology, Sahlgrenska Academy, Centre for Ageing and Health (AGECAP) at the University of Gothenburg, Gothenburg, Sweden.
J NajarDepartment of Psychiatry and Neurochemistry, Institute of Neuroscience of Physiology, Sahlgrenska Academy, Centre for Ageing and Health (AGECAP) at the University of Gothenburg, Gothenburg, Sweden.
T R SternerDepartment of Psychiatry and Neurochemistry, Institute of Neuroscience of Physiology, Sahlgrenska Academy, Centre for Ageing and Health (AGECAP) at the University of Gothenburg, Gothenburg, Sweden.
N Scarmeas1st Department of Neurology, Aiginition Hospital, National and Kapodistrian University of Athens, Medical School, Athens, Greece.
M YannakouliaDepartment of Nutrition and Dietetics, Harokopio University, Athens, Greece.
E DardiotisNeurology Department, University Hospital of Larissa, University of Thessaly, Larissa, Greece.
S Riedel-HellerInstitute of Social Medicine, Occupational Health and Public Health (ISAP), Medical Faculty, University of Leipzig, Leipzig, Germany.
S RoehrInstitute of Social Medicine, Occupational Health and Public Health (ISAP), Medical Faculty, University of Leipzig, Leipzig, Germany.ORCID https://orcid.org/0000-0001-9385-0669
A PabstInstitute of Social Medicine, Occupational Health and Public Health (ISAP), Medical Faculty, University of Leipzig, Leipzig, Germany.
D DingInstitute of Neurology, Huashan Hospital, Fudan University, Shanghai, China.
Q ZhaoInstitute of Neurology, Huashan Hospital, Fudan University, Shanghai, China.
X LiangInstitute of Neurology, Huashan Hospital, Fudan University, Shanghai, China.
A LoboDepartment of Medicine and Psychiatry, Universidad de Zaragoza, Zaragoza, Spain.
C De-la-CámaraDepartment of Medicine and Psychiatry, Universidad de Zaragoza, Zaragoza, Spain.
E LoboDepartment of Medicine and Psychiatry, Universidad de Zaragoza, Zaragoza, Spain.
K W KimDepartment of Neuropsychiatry, Seoul National University Bundang Hospital, Seongnam, South Korea.ORCID https://orcid.org/0000-0002-1103-3858
for Cohort Studies of Memory in an International Consortium (COSMIC)
Seoul National University · KRFudan University · CNLeipzig University · DEUniversidad de Zaragoza · ESUniversity of Gothenburg · SEDankook University Hospital · KRUNSW Sydney · AUChungnam National University · KRDongguk University · KRGyeongsang National University · KRHarokopio University of Athens · GRJeju National University Hospital · KRKangwon National University Hospital · KRKonkuk University · KRKonkuk University Medical Center · KRNational and Kapodistrian University of Athens · GRSoonchunhyang University · KRUniversity of Thessaly · GRYonsei University · KR

Funding

COSMIC: An international consortium to identify risk and protective factors and biomarkers of cognitive ageing and dementia in diverse ethno-racial groups and geographical settingsRF1AG057531 · NIA · UNIVERSITY OF NEW SOUTH WALES · PI SACHDEV, PERMINDER S · 2017 to 2020
$2.9M
NIA NIH HHS RF1 AG057531
6 · The paper itself

Abstract

aimsTo investigate the association between parity and the risk of incident dementia in women.

methodsWe pooled baseline and follow-up data for community-dwelling women aged 60 or older from six population-based, prospective cohort studies from four European and two Asian countries. We investigated the association between parity and incident dementia using Cox proportional hazards regression models adjusted for age, educational level, hypertension, diabetes mellitus and cohort, with additional analysis by dementia subtype (Alzheimer dementia (AD) and non-Alzheimer dementia (NAD)).

resultsOf 9756 women dementia-free at baseline, 7010 completed one or more follow-up assessments. The mean follow-up duration was 5.4 ± 3.1 years and dementia developed in 550 participants. The number of parities was associated with the risk of incident dementia (hazard ratio (HR) = 1.07, 95% confidence interval (CI) = 1.02-1.13). Grand multiparity (five or more parities) increased the risk of dementia by 30% compared to 1-4 parities (HR = 1.30, 95% CI = 1.02-1.67). The risk of NAD increased by 12% for every parity (HR = 1.12, 95% CI = 1.02-1.23) and by 60% for grand multiparity (HR = 1.60, 95% CI = 1.00-2.55), but the risk of AD was not significantly associated with parity.

conclusionsGrand multiparity is a significant risk factor for dementia in women. This may have particularly important implications for women in low and middle-income countries where the fertility rate and prevalence of grand multiparity are high.

Indexed as

AgedAged, 80 and overAlzheimer DiseaseChinaCohort StudiesDementiaEuropeFemaleGeriatric PsychiatryHumansIncidenceIndependent LivingMiddle AgedParityPregnancyProportional Hazards ModelsDementiageriatric psychiatryrisk factorswomen

Identifiers

PMID33077022
PMCPMC7681107
OpenAlexW3092725190

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LicenceCC BY-NC-SA
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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.