Affiliation:
1. Division of Sleep and Circadian Disorders, Brigham and Women’s Hospital, Boston, MA
2. Harvard Medical School, Boston, MA
3. Department of Psychiatry, University of Pittsburgh, PA
4. Department of Biostatistics, University of Pittsburgh, PA
5. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA
Abstract
Abstract
A paradigm shift in sleep science argues for a systematic, multidimensional approach to investigate sleep’s association with disease and mortality and to address sleep disparities. We utilized the comprehensive sleep assessment of the Multi-Ethnic Study of Atherosclerosis (2010- 2013), a cohort of U.S. White, Black, Chinese, and Hispanic adults and older adults (n=1,736; mean age=68.3), to draw 13 sleep dimensions and create composite Sleep Health Scores to quantify multidimensional sleep health disparities. After age and sex adjustment in linear regression, compared to White participants, Black participants showed the greatest global sleep disparity, then Hispanic and Chinese participants. We estimated relative ‘risk’ of obtaining favorable sleep compared to White adults at the component level by race/ethnicity (lower is worse). The largest disparities were in objectively-measured sleep timing regularity (RRBlack [95% CI]: 0.37 [0.29,0.47], RRHispanic: 0.64 [0.52,0.78], RRChinese: 0.70 [0.54,0.90]) and duration regularity (RRBlack: 0.55 [0.47,0.65], RRHispanic: 0.76 [0.66,0.88], RRChinese: 0.74 [0.61,0.90]), after sex and age adjustment. Disparities in duration and continuity were also apparent, and Black adults were additionally disadvantaged in %N3 (slow wave sleep), sleepiness, and sleep timing (24-hour placement). Sleep timing regularity, duration regularity, duration, and continuity may comprise a multidimensional cluster of targets to reduce racial-ethnic sleep disparities.
Publisher
Oxford University Press (OUP)
Cited by
17 articles.
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