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Related Experiment Videos

Sleep-disordered breathing in African-American elderly

S Ancoli-Israel1, M R Klauber, C Stepnowsky

  • 1Department of Psychiatry, University of California San Diego, USA.

American Journal of Respiratory and Critical Care Medicine
|December 1, 1995
PubMed
Summary

Sleep-disordered breathing (SDB) is more prevalent in African-American elderly. This study found African-Americans experienced more sleep issues and had a twofold higher risk of severe SDB compared to Caucasians.

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Area of Science:

  • Gerontology
  • Sleep Medicine
  • Public Health Disparities

Background:

  • Sleep-disordered breathing (SDB) is common in older adults.
  • Hypertension is more prevalent in African-Americans than Caucasians.
  • Racial disparities in SDB prevalence among the elderly are understudied.

Purpose of the Study:

  • To investigate racial differences in SDB prevalence and symptoms among elderly individuals.
  • To compare sleep quality and SDB severity between Caucasian and African-American older adults.

Main Methods:

  • A study involving 346 Caucasian and 54 African-American participants aged 65 and older.
  • Assessment of sleep satisfaction, sleep difficulties, daytime sleepiness, and morning headaches.
  • Analysis of napping frequency and duration, total sleep time, and SDB severity (Respiratory Disturbance Index - RDI).

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  • Logistic regression analysis to identify independent predictors of SDB.

    • Main Results:

    • African-Americans reported significantly lower sleep satisfaction, more difficulty falling asleep, increased daytime sleepiness, and more frequent morning headaches.
    • African-Americans napped more frequently and for longer durations than Caucasians.
    • African-Americans had a twofold greater relative risk of severe SDB (RDI ≥ 30) compared to Caucasians.
    • Race was independently associated with the presence of severe SDB, irrespective of age, sex, and BMI.

    Conclusions:

    • Significant racial disparities exist in sleep problems and SDB prevalence among the elderly.
    • African-American elderly individuals are at a substantially higher risk for severe SDB.
    • Further research and targeted interventions are needed to address SDB in minority aging populations.