Risk of dementia and mild cognitive impairment among older adults in same‐sex relationships
Open accessAbstract
Introduction: Sexual minority discrimination might lead to a higher risk of mild cognitive impairment (MCI) and dementia. The aim of this study was to assess the risk of MCI and dementia between older adults in same‐sex relationships (SSR) and opposite‐sex relationships (OSR). Methods: We analyzed longitudinal data from the National Alzheimer's Coordinating Center up to September 2017. Analyses included cognitively normal individuals 55+ at baseline who had a spouse, partner, or companion as study partner at any assessment. Associations were calculated using survival analysis adjusting for demographics and APOE‐e4 carrier status. Results: Hazard ratios of MCI and dementia did not differ statistically between SSR and OSR individuals in the total sample nor stratified by sex. Conclusion: The lack of association between SSR and MCI and dementia warrants future research into their potential resilience mechanisms and the inclusion of sexual minority status questions in research and surveillance studies. The potential recruitment bias caused by nonprobabilistic sampling of the cohort and the reporting and ascertainment bias caused by using SSR to infer sexual minority status may have influenced our findings.
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A third study reported that the risk for dementia and risk for mild cognitive impairment were similar for people in same-sex relationships and people in another-sex relationships.
“a third study reported that the risk for dementia and risk for mild cognitive impairment were similar for people in same-sex relationships and people in another-sex relationships.”
From 2023 Alzheimer's disease facts and figures (2023) · cites this paper as [326]
A third study reported that the risks for dementia and mild cognitive impairment were similar for people in same-sex relationships and people in another-sex relationships.
“yet a third study reported that the risks for dementia and mild cognitive impairment were similar for people in same‐sex relationships and people in another‐sex relationships.”
From 2024 Alzheimer's disease facts and figures (2024) · cites this paper as [353]
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- Authors
- Perales‐Puchalt, J., Gauthreaux, K., Flatt, J., Teylan, M. A., Resendez, J., Kukull, W. A., Chan, K. C. G., Burns, J., & Vidoni, E. D.
- Affiliations
- University of Kansas (US)
- University of Washington (US)
- University of California, San Francisco (US)
- UsAgainstAlzheimer (US)
- Corresponding author
- Perales‐Puchalt, Jaime
- ORCID
- Venue
- International Journal of Geriatric Psychiatry
- Publisher
- Wiley
- Published
- 2019-04-22
- Volume
- 34
- Issue
- 6
- Pages
- 828-835
- ISSN
- 0885-6230 (ISSN-L)
- 1099-1166
- PMC
- PMC6502266
- OpenAlex
- W2922472561
- Cited by
- 47
- References
- 38
- Citations by year
- 2026: 5 · 2025: 6 · 2024: 8 · 2023: 15 · 2022: 5 · 2021: 4 · 2020: 2 · 2019: 2
- FWCI
- 2.58
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- International Journal of Geriatric Psychiatry (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institute on Aging (P30AG035982)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Social Sciences › Psychology › Social Psychology › LGBTQ Health, Identity, and Policy
- Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cancer-related cognitive impairment studies
- Keywords
- same-sex relationships, sexual minority older adults, mild cognitive impairment, dementia risk, opposite-sex relationships, APOE ε4, cognitive aging, recruitment bias, ascertainment bias
- MeSH terms
- Aged, Aged, 80 and over, Dementia, Female, Homosexuality, Humans, Longitudinal Studies, Male, Prejudice, Cohort Studies, Proportional Hazards Models, Kaplan-Meier Estimate, Cognitive Dysfunction
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