Body mass index mediates the association between plasma lipid concentrations and the prevalence of obstructive sleep apnea among US adults: a cross-sectional study
2024

How Body Mass Index Affects Sleep Apnea and Lipid Levels

Sample size: 8086 publication 10 minutes Evidence: moderate

Author Information

Author(s): Hu Xiao, Xu Jing, Gu Yang

Primary Institution: The Affiliated Huaian No.1 People’s Hospital of Nanjing Medical University

Hypothesis

Does body mass index mediate the relationship between plasma lipid concentrations and the prevalence of obstructive sleep apnea among US adults?

Conclusion

Higher triglyceride levels are associated with an increased prevalence of obstructive sleep apnea, and this effect is mediated by body mass index.

Supporting Evidence

  • Triglyceride levels were significantly associated with the prevalence of obstructive sleep apnea.
  • Body mass index was found to mediate the relationship between triglycerides and obstructive sleep apnea.
  • Subgroup analyses indicated that the association was stronger in women and individuals with obesity.

Takeaway

If you have high triglycerides, you might be more likely to have sleep apnea, especially if you're overweight.

Methodology

This cross-sectional study analyzed data from the National Health and Nutrition Examination Survey (NHANES) involving 8,086 participants, using logistic regression and mediation analysis.

Potential Biases

Potential confounding factors such as obesity and lifestyle choices may influence the results.

Limitations

The study relied on self-reported symptoms of obstructive sleep apnea and was limited to US adults, which may affect generalizability.

Participant Demographics

The sample included 3,950 men and 4,136 women, with a diverse racial composition.

Statistical Information

P-Value

p<0.05

Confidence Interval

95% CI, 1.107–1.688 for triglycerides

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3389/fcvm.2024.1433884

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