Birth in High Infant Mortality States and Dementia Risk in a Cohort of Elderly African American and White Health Care Members.
Birth in High Infant Mortality States and Dementia Risk in a Cohort of Elderly African American and White Health Care Members.
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DOI:
10.1097/wad.0000000000000270
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发表时间:
2019-01
影响因子:
2.1
通讯作者:
Whitmer RA
中科院分区:
文献类型:
--
作者:
Gilsanz P;Mayeda ER;Glymour MM;Quesenberry CP Jr;Mungas D;DeCarli CS;Whitmer RA
Birth in areas with high infant mortality rates (IMRs) has been linked to worse long-term health outcomes, yet it is completely unknown if it impacts dementia risk. 6,268 healthcare members were followed for dementia diagnosis from 1996–2015. Birth state IMRs from 1928 were ranked into quartile (worst IMRs quartile range: Whites: 69–129 deaths/1,000 live births, Non-Whites: 129–277 deaths/1,000 live births). Cox proportional hazard models estimated the dementia risk associated with birth state IMR quartile adjusting for demographics and lifecourse health indicators. Compared with Whites born outside of states in the worst IMR quartile, African Americans born in states in the worst IMR quartile had 92% increased dementia risk (HR=1.92; 95% CI: 1.42, 2.59), and African Americans born outside those states had 36% increased risk (HR=1.36; 95% CI: 1.20, 1.53). There was no association between birth state IMR and dementia risk among Whites. Birth in states with the highest rates of infant mortality was associated with elevated dementia risk among African Americans but not Whites. The large absolute difference in IMRs likely reflects harsher early-childhood conditions experienced by African Americans. These findings suggest that childhood conditions may play a role in racial disparities in dementia rates.