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Racial discrimination mediates race differences in sleep problems: A longitudinal analysis.

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Racial discrimination increases sleep problems for Black or African American (AA) college students compared to White or European American (EA) students over time. Experiences of discrimination contribute to these disparities in sleep health.

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Area of Science:

  • Psychology
  • Public Health
  • Sociology

Background:

  • Sleep problems are a significant concern for college students.
  • Racial disparities in health outcomes, including sleep, are well-documented.
  • The role of racial discrimination in exacerbating health disparities requires further investigation.

Purpose of the Study:

  • To analyze changes in sleep problems over 1.5 years in Black or African American (AA) and White or European American (EA) college students.
  • To investigate the mediating effect of racial discrimination on race-based differences in sleep problems.
  • To understand the longitudinal impact of discrimination on sleep quality and duration.

Main Methods:

  • Longitudinal study design with N=133 college students (41% AA, 57% female).
  • Assessment of habitual sleep characteristics (latency, duration, efficiency, quality) and perceived racial discrimination at baseline and follow-up.
  • Statistical modeling to examine race differences in sleep problems over time and the mediating role of discrimination, controlling for covariates.

Main Results:

  • Black or African American (AA) students exhibited greater increases in sleep problems compared to White or European American (EA) students.
  • Perceived racial discrimination was positively associated with increased sleep problems over the study period.
  • Racial discrimination mediated the observed disparities in sleep problems between AA and EA students.

Conclusions:

  • Racial disparities in sleep problems persist and worsen during the college years.
  • Experiences of racial discrimination are a significant contributing factor to these group disparities in sleep.
  • Interventions addressing racial discrimination may be crucial for improving sleep health equity among college students.