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SSM Popul Health. 2017 Dec;3:713-721. doi: 10.1016/j.ssmph.2017.08.004.

Stress and Sleep: Results from the Hispanic Community Health Study/Study of Latinos Sociocultural Ancillary Study.

SSM - population health

Carmela Alcántara, Sanjay R Patel, Mercedes Carnethon, Sheila Castañeda, Carmen R Isasi, Sonia Davis, Alberto Ramos, Elva Arredondo, Susan Redline, Phyllis C Zee, Linda C Gallo

Affiliations

  1. School of Social Work, Columbia University, New York, NY.
  2. Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA.
  3. Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL.
  4. School of Public Health, San Diego State University, San Diego, CA.
  5. Albert Einstein College of Medicine, Bronx, NY.
  6. Department of Biostatistics, University of North Carolina at Chapel Hill-Gillins School of Global Public Health, Chapel Hill, NC.
  7. University of Miami Miller School of Medicine, Miami, FL.
  8. Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.
  9. Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL.
  10. Department of Psychology, San Diego State University, San Diego, CA.

PMID: 29104908 PMCID: PMC5663240 DOI: 10.1016/j.ssmph.2017.08.004

Abstract

Hispanics/Latinos face specific sociocultural stressors associated with their marginalized status in the United States. While stress is known to cause poor sleep, the differential effects of the specific stressors faced by Hispanics/Latinos have not been evaluated. Using cross-sectional data from the Hispanic Community Health Study/Study of Latinos Sociocultural Ancillary Study, we conducted weighted generalized linear models to evaluate the associations of acculturation stress, ethnic discrimination, and chronic moderate/severe stress with self-reported sleep outcomes (insomnia symptoms, daytime sleepiness, sleep duration) in individual and aggregate models adjusted for site, socio-demographics, behavioral, and medical conditions. Participants included 5313 Hispanic/Latino adults; 43.5% ≥ age 45, 54.8% female, and 22.0% US-born. Chronic moderate/severe stress, ethnic discrimination, and acculturation stress were each positively associated with sleep. In the adjusted aggregate model, only chronic moderate/severe stress was associated with insomnia symptoms (exp(b)= 1.07 for each additional stressor, 95% CI= 1.05, 1.09). Both acculturation stress (exp(b)= 1.05 for each additional SD, 95% CI= 1.02, 1.10) and ethnic discrimination (exp(b)= 1.05 for each additional SD, 95% CI= 1.01, 1.08) were associated with daytime sleepiness. Each SD increase in ethnic discrimination related to a 16% and 13% increased prevalence of short (< 7 hours) (RRR= 1.16, 95% CI= 1.02, 1.31) and long sleep duration (> 9 hours) (RRR= 1.13, 95% CI= 1.00, 1.27), respectively. These associations were consistent across sex. Acculturation stress and ethnic discrimination are associated with poor sleep in Hispanics/Latinos. Future research should explore whether behavioral sleep interventions minimize the impact of sociocultural stressors on sleep.

Keywords: Hispanics; United States of America; acculturation; discrimination; insomnia; sleep; stress

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