Cited by 36Dementia and Cognitive Impairment ResearchDiabetes, Cardiovascular Risks, and LipoproteinsDiabetes Management and Research

Onset age of diabetes and incident dementia: A prospective cohort study

Wang, Yongqian, Li, Chenglong, Liang, Jie, Gao, Darui, Pan, Yang, Zhang, Wenya, Zhang, Yang, Zheng, Fanfan +1 more·2023·Journal of Affective Disorders

Abstract

Background Relationship between age at diagnosis of diabetes and dementia is lacking. The aim of the study was to investigate whether diabetes onset at a younger age was associated with a higher incidence of dementia.Methods 466,207 participants free of dementia in the UK biobank (UKB) were included in the analysis. Propensity score matching (PSM) was adopted to match diabetic and non-diabetic participants in different onset age of diabetes groups to evaluate onset age of diabetes and incident dementia.Results Compared with non-diabetic participants, diabetes participants had an adjusted hazard ratio (HR) of 1.87 (95 % confidence interval [CI]: 1.73-2.03) for all-cause dementia, 1.85 (95 % CI: 1.60-2.04) for Alzheimer's disease (AD), and 2.86 (95 % CI: 2.47-3.32) for vascular dementia (VD). Among diabetic participants who reported onset age, the adjusted HRs for incident all-cause dementia, AD, and VD were 1.20 (95 % CI: 1.14-1.25), 1.19 (95 % CI: 1.10-1.29), and 1.19 (95 % CI: 1.10-1.28), respectively, per 10 years decrease in age at diabetes onset. After PSM, strength of association between diabetes and all-cause dementia increased with decreasing onset age of diabetes (≥60 years: HR = 1.47, 95 % CI: 1.25-1.74; 45-59 years: HR = 1.66, 95 % CI: 1.40-1.96; <45 years: HR = 2.92, 95 % CI: 2.13-4.01) after multivariable adjustment. Similarly, diabetic participants with onset age <45 years had greatest HRs for incident AD and VD, compared with their matched controls.Limitations Our results only reflect the characteristics of UKB participants.Conclusions Younger age at diabetes onset was significantly associated with a higher risk of dementia in this longitudinal cohort study.

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Crossref · 10.1016/j.jad.2023.02.138

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Authors
Wang, Y., Li, C., Liang, J., Gao, D., Pan, Y., Zhang, W., Zhang, Y., Zheng, F., & Xie, W.
Affiliations
  • Peking University (CN)
  • Chinese Academy of Medical Sciences & Peking Union Medical College (CN)
  • Peking University First Hospital (CN)
Corresponding author
  • Zheng, Fanfan
  • Xie, Wuxiang
Venue
Journal of Affective Disorders
Publisher
Elsevier BV
Published
2023-05
Volume
329
Pages
493-499
ISSN
0165-0327 (ISSN-L)
OpenAlex
W4322753549
Cited by
36
References
42
Citations by year
2026: 13 · 2025: 9 · 2024: 12 · 2023: 2
FWCI
7.35
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Affective Disorders (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
Keywords
age at onset of diabetes, dementia incidence, Alzheimer's disease, vascular dementia, all-cause dementia, young-onset diabetes, UK Biobank
MeSH terms
Alzheimer Disease, Dementia, Diabetes Mellitus, Humans, Longitudinal Studies, Middle Aged, Prospective Studies, Risk Factors, Cohort Studies, Age of Onset

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