Cardiometabolic Conditions and All-Cause Dementia Among American Indian and Alaska Native People

Abstract Background Diabetes, hypertension, and cardiovascular disease (CVD) are modifiable lifestyle-related cardiometabolic conditions associated with dementia. Yet, little is known regarding these associations among American Indian and Alaska Native (AI/AN) people. Thus, we examined the associati...

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Published in:The journals of gerontology. Series A, Biological sciences and medical sciences Biological sciences and medical sciences, 2022-02, Vol.77 (2), p.323-330
Main Authors: Goins, R Turner, Winchester, Blythe, Jiang, Luohua, Grau, Laura, Reid, Maggie, Corrada, Maria M, Manson, Spero M, O’Connell, Joan
Format: Article
Language:English
Subjects:
Alaska Natives
American Indian or Alaska Native
Cardiovascular disease
Cardiovascular diseases
Cardiovascular Diseases - epidemiology
Cerebrovascular diseases
Cross-Sectional Studies
Dementia
Dementia - epidemiology
Dementia disorders
Diabetes
Diabetes Mellitus
Female
Health care
Humans
Hypertension
Hypertension - epidemiology
Indians, North American
Male
Native North Americans
Older people
Population studies
Primary care
THE JOURNAL OF GERONTOLOGY: Medical Sciences
United States - epidemiology
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Summary:Abstract Background Diabetes, hypertension, and cardiovascular disease (CVD) are modifiable lifestyle-related cardiometabolic conditions associated with dementia. Yet, little is known regarding these associations among American Indian and Alaska Native (AI/AN) people. Thus, we examined the association of diabetes, hypertension, and CVD with all-cause dementia among AI/ANs aged 65 years and older. Method This was a cross-sectional analysis of the Indian Health Service Improving Health Care Delivery Data Project. Our study population was a 1:1 matched sample of 4 074 AI/ANs aged 65 years and older and Indian Health Service active users during fiscal year 2013. We employed International Classification of Diseases, Ninth Revision, Clinical Modification diagnostic codes for all-cause dementia, hypertension, and CVD. Diabetes was measured with a validated algorithm to identify adults with diabetes that uses diagnoses, laboratory test results, and medication criteria. Results Multivariable analyses revealed that diabetes and CVD were associated with increased odds of all-cause dementia and hypertension was not. Cardiovascular disease types associated with all-cause dementia differed with cerebrovascular disease having the strongest association. Analyses stratified by gender revealed that diabetes and CVD were associated with increased odds of all-cause dementia for women and only CVD was associated with all-cause dementia for men. Conclusions Training and support of primary care clinicians, addressing cultural considerations, and ensuring inclusion of AI/ANs in research are steps that could help meet AI/AN people’s needs. Our findings underscore to the importance of improved management and control of diabetes and CVD, which may lead to the prevention of dementia among older AI/ANs.
ISSN:1079-5006
1758-535X
1758-535X
DOI:10.1093/gerona/glab097