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Social jetlag and DXA-derived adiposity in Korean adults: A nationwide study using the 2024 Korea National Health and Nutrition Examination Survey

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  • Soojin Kim
  • Heewon Bae

Abstract

Background: Social jetlag, the discrepancy between weekday and weekend sleep timing, is a behavioral marker of circadian timing mismatch and has been linked to obesity, mainly through conventional anthropometric measures. We examined its association with dual-energy X-ray absorptiometry (DXA)-derived adiposity using the nationally representative 2024 Korea National Health and Nutrition Examination Survey (KNHANES). Methods: This cross-sectional study included adults aged ≥40 years reporting usual weekday and weekend bedtimes and wake times. Social jetlag, the absolute difference between weekday and weekend sleep midpoints, was categorized as

Suggested Citation

  • Soojin Kim & Heewon Bae, 2026. "Social jetlag and DXA-derived adiposity in Korean adults: A nationwide study using the 2024 Korea National Health and Nutrition Examination Survey," PLOS ONE, Public Library of Science, vol. 21(11), pages 1-12, November.
    • Handle: RePEc:plo:pone00:0362068
    DOI: 10.1371/journal.pone.0362068
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