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Sleep. 2021 Dec 10;44(12). doi: 10.1093/sleep/zsab181.

Phenotypes of obstructive sleep apnea in the Hispanic Community Health Study/Study of Latinos.

Sleep

Kevin A González, Wassim Tarraf, Douglas M Wallace, Ariana M Stickel, Neil Schneiderman, Susan Redline, Sanjay R Patel, Linda C Gallo, Yasmin Mossavar-Rahmani, Martha L Daviglus, Phyllis C Zee, Gregory A Talavera, Daniela Sotres-Alvarez, Hector M González, Alberto Ramos

Affiliations

  1. Department of Neurosciences and Shiley-Marcos Alzheimer's Disease Research Center, University of California San Diego School of Medicine, San Diego, CA, USA.
  2. Department of Healthcare Sciences and Institute of Gerontology, Wayne State University, Detroit, MI, USA.
  3. Department of Neurology, University of Miami Miller School of Medicine, Miami, FL, USA.
  4. Department of Psychology, University of Miami, Miami, FL, USA.
  5. Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
  6. Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
  7. Department of Psychology and South Bay Latino Research Center, San Diego State University, San Diego, CA, USA.
  8. Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY, USA.
  9. Institute for Minority Health Research, University of Illinois at Chicago College of Medicine, Chicago, IL, USA.
  10. Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
  11. Graduate School of Public Health, San Diego State University, San Diego, CA, USA.
  12. Department of Biostatistics, University of North Carolina Gillings School of Global Public Health, Chapel Hill, NC, USA.

PMID: 34272952 PMCID: PMC8664595 DOI: 10.1093/sleep/zsab181

Abstract

STUDY OBJECTIVES: Recent work on US Whites from clinical samples used obstructive sleep apnea (OSA) symptoms to generate phenotypes for individuals with moderate-severe OSA which suggested 3 to 5 symptom classes. However, it is unknown whether similar classes generalize to diverse Hispanics/Latino adults. Therefore, we sought to fill this gap by empirically deriving sleep phenotypes among a large sample of diverse Hispanics/Latinos.

METHODS: We used data from The Hispanic Community Health Study/Study of Latinos (HCHS/SOL; 2008-2011), a prospective cohort study designed using a multisite multistage probability sample of adults 18-74 years old. The subpopulation of interest included participants with moderate-severe OSA symptoms (≥15 respiratory event index (REI) events per hour; n = 1,605). We performed latent class analysis for complex survey data using 15 common OSA symptoms (e.g. Epworth Sleepiness Scale) and 4 comorbidities to identify phenotype classes.

RESULTS: Average age was 52.4 ± 13.9 years and 34.0% were female. Mean REI was 33.8 ± 22.5 events per hour. Fit statistics and clinical significance suggested that a three-class solution provided the best fit to the data. The three phenotypes were: (1) Minimally Symptomatic (47.7%), (2) Excessive sleepiness (37.1%), and (3) Disturbed Sleep (15.2%). Sensitivity models were consistent with the main proposed solution.

CONCLUSIONS: Derived sleep phenotypes among diverse Hispanic/Latinos were consistent with recent findings from the Sleep Apnea Global Interdisciplinary Consortium, but we found notable differences in class prevalence relative to Whites. Further research is needed to link derived sleep phenotypes to health comorbidities in diverse populations.

© Sleep Research Society 2021. Published by Oxford University Press on behalf of the Sleep Research Society. All rights reserved. For permissions, please email: [email protected].

Keywords: Hispanics/Latinos; latent class analysis; obstructive sleep apnea; sleep phenotypes

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