Association between vitamin C in serum and trouble sleeping based on NHANES 2017–2018

全国健康与营养检查调查 混淆 逻辑回归 医学 微量营养素 横断面研究 维生素D与神经学 维生素 维生素C 内科学 人口学 生理学 人口 环境卫生 病理 社会学
作者
Shihong Wang,Fengxia Lai,Zhao Le,Jiyu Zhou,Danli Kong,Haibing Yu,Yuanlin Ding
出处
期刊:Scientific Reports [Springer Nature]
卷期号:14 (1)
标识
DOI:10.1038/s41598-024-56703-0
摘要

Abstract Vitamin C is an important micronutrient for human. Association between vitamin C and trouble sleeping was less studied. Therefore, the purpose of this study was to investigate the possible link between vitamin C in serum and trouble sleeping. The cross-sectional data was derived from the National Health and Nutrition Examination Survey (NHANES, 2017–2018). Trouble sleeping was measured by asking participants: “Have you ever told doctor had trouble sleeping”. Responses to this question was “yes” or “no”. vitamin C in serum was obtained by measuring the serum samples. We used multivariable binary logistic regressions to examine the possible link between vitamin C in serum and trouble sleeping, and then a subgroup analysis was performed. Moreover, the non-linear relationship between vitamin C in serum and trouble sleeping was further detected using a restricted cubic spline (RCS) model. A total of 3227 participants were included in the study. After adjusting all potential confounders, the results of multivariable logistic regression showed the significant negative association between vitamin C in serum and trouble sleeping( OR = 0.816; 95% CI :0.669 ~ 0.995). The significant inverse association was also found in female( OR = 0.713; 95% CI :0.546 ~ 0.931), age ≤ 65 years( OR = 0.773; 95% CI :0.600 ~ 0.996), and in participants with high cholesterol level( OR = 0.738; 95% CI :0.548 ~ 0.994). In addition, the RCS model demonstrated the significant non-linear relationship between vitamin C in serum and trouble sleeping ( P value of nonlinear = 0.010). Our study demonstrates the significant negative association between vitamin C in serum and trouble sleeping.
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