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. 2021 Sep 27;13:1675–1685. doi: 10.2147/NSS.S329894

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© 2021 Zhai et al.

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Generalized linear models of the associations between chronotype and inflammatory cytokines stratified by sleep duration.

Notes: The black icon indicated the sufficient sleep group (≥7 h), the gray icon indicated the insufficient sleep group (<7 h); crude model was not adjusted by any variables, adjusted model was adjusted by age, self-rated health, physical activity, afternoon napping, and depression; inflammatory factors were log-transformed before analysis.

Abbreviations: CI, confidence interval; IL-1β, interleukin-1β; IL-6, interleukin-6; TNF-α, tumor necrosis factor-α; IL-10, interleukin-10; M-types, Morning-types; N-types, Neutral-types; E-types, Evening-types.