身体活动和内脏脂肪量之间的剂量反应关系:基于NHANES 2011-2018年的横截面研究
1Department of Sports Medicine, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China. jiancheng2468@163.com.
BMC public health
|September 24, 2025
概括
身体活动 (PA) 与较低内脏脂肪量 (VFM) 有关,这是代谢疾病的危险因素. 降低VFM的最佳PA水平因性别和种族/种族而异,建议提供个性化的建议.
科学领域:
- 代谢健康和运动科学代谢健康和运动科学
- 公共卫生和流行病学
- 身体组成分析 身体成分分析
背景情况:
- 过多的内脏脂肪量 (VFM) 是代谢疾病的重要危险因素.
- 身体活动 (PA) 是一种可改变的行为,已知会影响VFM.
- 了解PA和VFM之间的确切剂量反应关系对于公共卫生干预至关重要.
研究的目的:
- 为了研究体力活动 (PA) 和内脏脂肪质量 (VFM) 之间的剂量反应关系.
- 根据性别和种族/种族来检查这种关系中的潜在差异.
- 为各种人群提供量身定制的PA建议.
主要方法:
- 利用了来自2011-2018年NHANES的9,111名美国成年人 (20-59岁) 的数据.
- 使用全球体力活动问卷 (GPAQ) 评估PA,测量MET分钟/周.
- 通过双能X射线吸收计 (DXA) 测量VFM;使用权重回归和受限制立方线模型分析关联,调整共变量.
主要成果:
- 在所有参与者中,更高的PA水平与较低的VFM有显著的关联.
- 性别分析显示,男性的单调VFM下降,女性的U形关联,最佳PA约为6,000MET-min/week.
- 根据性别和种族/种族的显著相互作用显示出不同的反应,非西班牙裔白人表现出一致的VFM下降,而墨西哥裔美国人表现出反转的U形.
结论:
- 身体活动与内脏脂肪质量有明显的反向关联.
- 身体活动的最佳剂量来减少内脏脂肪在男性和女性之间以及跨种族/种族群体之间存在显著差异.
- 考虑到性别和种族/民族的个性化体育活动指南有必要有效管理内脏脂肪并降低代谢疾病风险.
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