Abstract：
:Chronic infections and the subsequent immune response have recently been shown to be risk factors for cognitive decline and Alzheimer's Disease and related disorders (ADRD). While some studies have shown an association between cytomegalovirus (CMV), a chronic and highly prevalent infection, and cognition and/or ADRD, these are limited by non-representative and small samples. Using data from 5,617 adults aged 65 years and older from the 2016 Health and Retirement Study, we investigated the cross-sectional association between both CMV serostatus and IgG antibody response and cognitive function using linear regression models adjusted for age, sex, race/ethnicity, and educational attainment. We further investigated potential effect measure modification by educational attainment. Overall, both CMV seropositivity and higher IgG were associated with lower cognitive function, though the relationship was not statistically significant in adjusted models. Among those with less than a high school diploma, CMV seropositivity and being in the first tertile of IgG response relative to seronegatives were associated with lower TICS score (-0.56 (95%CI: -1.63, 0.52) and -0.89 (95%CI: -2.07, 0.29), respectively), and the relationship was attenuated among those with higher education. Our results suggest that CMV may be a risk factor for cognitive impairment, particularly among those with low educational resources.
journal_name
Am J Epidemioljournal_title
American journal of epidemiologyauthors
Stebbins RC,Noppert GA,Yang YC,Dowd JB,Simanek A,Aiello AEdoi
10.1093/aje/kwaa238subject
Has Abstractpub_date
2020-10-23 00:00:00eissn
0002-9262issn
1476-6256pii
5936086pub_type
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