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Associations of Everyday Discrimination With Insomnia and Short Sleep Duration Among Older Women

Discrimination may contribute to sleep health disparities among women, yet limited research has investigated the association between discrimination and insomnia with short sleep. Among a racially and ethnically diverse sample of women (N=25 920; mean age, 72.2±6.1 years), we investigated the relatio...

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Bibliographic Details
Published in:Journal of the American Heart Association 2024-10, Vol.13 (19), p.e033844
Main Authors: Johnson, Dayna A, Ward, Laura, Ortiz, Laura Bosque, Butler, Jonathan, Slopen, Natalie, Redline, Susan, Buring, Julie E, Williams, David R, Albert, MS, MPH, Michelle A
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Language:English
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Summary:Discrimination may contribute to sleep health disparities among women, yet limited research has investigated the association between discrimination and insomnia with short sleep. Among a racially and ethnically diverse sample of women (N=25 920; mean age, 72.2±6.1 years), we investigated the relationship of discrimination with insomnia symptoms and sleep duration. Poisson models with robust variance were fit to examine discrimination with insomnia, sleep duration (short 9 hours versus recommended 7-9 hours), and insomnia short sleep phenotype adjusted for covariates. Insomnia symptoms, short and long sleep, and high discrimination were reported by 53%, 11%, 15%, and 40% of women, respectively. Women reporting high versus low discrimination were more likely to report insomnia, short sleep, and insomnia short sleep phenotype (insomnia: adjusted prevalence ratio, 1.15 [95% CI, 1.13-1.18]; short sleep: adjusted prevalence ratio, 1.24 [95% CI, 1.16-1.34]; insomnia short sleep phenotype: adjusted prevalence ratio, 1.45 [95% CI, 1.31-1.61]). In exploratory analyses, the association between discrimination and insomnia symptoms was present among Asian and White women, whereas the association between discrimination and sleep duration was among Hispanic (long sleep) and White (short sleep) women. Further, the association between discrimination and insomnia symptoms was more pronounced among those with less than a bachelor's degree, whereas women with a bachelor's degree or higher were less vulnerable to the association between discrimination and long sleep. Discrimination was associated with insomnia and short sleep, a more severe phenotype for adverse cardiovascular health. Discrimination may be a target for reducing sleep problems among older women.
ISSN:2047-9980
2047-9980
DOI:10.1161/JAHA.123.033844