饮食维生素B2摄入量与便秘之间的关联:基于NHANES 2009至2010年的横截面研究
Fengwei Liu1, Siyu Liu1, Jia Chen1
1Heilongjiang University of Chinese Medicine, Harbin, China.
饮食维生素B2摄入量与成人慢性便秘风险降低有关. 增加维生素B2的摄入量可以减少便秘的风险,每天摄入1.849毫克.
科学领域:
- 营养科学 营养科学
- 胃肠病学 胃肠病学
- 公共卫生 公共卫生
背景情况:
- 便秘是一种常见的胃肠道问题,具有多因素的原因.
- 以前的研究表明,总体维生素摄入量和便秘之间存在联系,但特定的B族维生素,如维生素B2 ( рибофлавин),仍未得到充分研究.
- 了解特定营养素在预防便秘中的作用对于公共卫生建议至关重要.
研究的目的:
- 调查饮食维生素B2摄入量与大量成年人群中慢性便秘的患病率之间的关联.
- 要确定维生素B2摄入量与便秘之间的关系是线性的还是非线性的.
- 确定维生素B2对便秘风险的影响的潜在摄入门.
主要方法:
- 来自2009-2010年国家健康和营养检查调查的20岁以上的5134名成年人的数据分析.
- 通过24小时回忆评估的饮食摄入量;在12个月内通过自我报告的频率定义的便秘.
- 统计分析包括多变量逻辑回归,受限立方线回归和拐点分析,以评估维生素B2 - 便秘关系.
主要成果:
- 多变量逻辑回归显示,维生素B2摄入量与便秘之间存在显著的反向关联 (OR=0.78,P<0.001).
- 限制立方线回归表明非线性关系,随着摄入量增加,风险下降.
- 转折点分析发现,每天摄入1.849毫克维生素B2 (P<0.01) 的便秘风险在统计学上显著下降.
结论:
- 饮食维生素B2摄入量与成年人慢性便秘有负相关.
- 增加维生素B2摄入量似乎可以降低便秘的风险,特别是每天大约1.85毫克.
- 需要进一步的研究来探索维生素B2摄入量超出这一确定的值的影响.
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