Association between dietary vitamin E and osteoporosis in older adults in the United States

骨质疏松症 医学 维生素D与神经学 全国健康与营养检查调查 混淆 优势比 置信区间 生理学 维生素 骨矿物 内科学 骨密度 人口 老年学 环境卫生
作者
Ruoyu Zhuang,Wei Hou,Ting Zhang,Tao Wang
出处
期刊:Frontiers in Endocrinology [Frontiers Media]
卷期号:15
标识
DOI:10.3389/fendo.2024.1410581
摘要

Background Increased oxidative stress due to aging can lead to increased bone loss. The most abundant form of vitamin E, namely α-tocopherol, has high antioxidant properties and biological activity; however, its effect on osteoporosis has not been well studied in humans. We aimed to investigate the association between dietary vitamin E (α-tocopherol) and osteoporosis among older adults in the United States. Methods This cross-sectional study analyzed data on older adults in the United States aged ≥50 years from the 2007–2010, 2013–2014 and 2017–2020 pre-pandemic cycles of the National Health and Nutrition Examination Survey. Sample-weighted multivariate regression models were used, with adjustments for relevant confounders. Results This study comprised 5,800 individuals with available data on dietary intake and bone mineral density of hip and spine. The mean participant age was 61.4 (standard deviation, 8.7) years, and approximately 9.9% had osteoporosis. High vitamin E intake was significantly associated with a reduced risk of osteoporosis (odds ratio, 0.96, 95% confidence interval, 0.93–0.98). In addition, there was evidence of interaction between dietary vitamin E and prior fracture on preventing osteoporosis. Conclusions Our study indicated a linear association between dietary vitamin E levels and osteoporosis in an older population in the United States. Further research is required to explore the potential effects of different forms of vitamin E on osteoporosis.
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