强度或体积:体育活动对长寿的作用
Fabian Schwendinger1, Denis Infanger1, Eric Lichtenstein2
1Division of Sports and Exercise Medicine, Department of Sport, Exercise and Health, University of Basel, 4052 Basel, Switzerland.
European journal of preventive cardiology
|September 14, 2024
概括
身体活动的强度,而不仅仅是体积,显著降低了所有原因和心血管疾病的死亡风险. 高强度的体力活动 (PA) 是长寿的关键,百度曲线指导最佳PA水平.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 生物统计学 生物统计学
背景情况:
- 了解身体活动 (PA) 与死亡风险之间的关系对于公共卫生指南至关重要.
- 之前的研究已经探讨了PA的数量和持续时间,但强度和碎片化对死亡率的具体影响需要进一步调查.
研究的目的:
- 检查身体活动 (PA) 量,强度,持续时间和碎片化与所有原因和心血管疾病 (CVD) 死亡风险之间的关联.
- 在美国成年人中生成PA体积和强度的百分点曲线.
主要方法:
- 利用了2011-2014年国家健康和营养检查调查 (NHANES) 的数据.
- 采用加速度计来测量体积的平均加速度 (AvAcc),强度的强度梯度 (IG),以及持续时间的总PA.
- 应用加权的Cox比例危险模型来分析PA指标和死亡结果之间的关联.
主要成果:
- 在全因死亡风险和AvAcc和IG之间观察到曲线逆剂量反应关系.
- 心血管疾病 (CVD) 死亡风险与IG显示出显著的反向关联,但不是AvAcc.
- 强度 (IG) 被确定为降低死亡风险的主要驱动因素,其次是体积 (AvAcc).
结论:
- 在降低死亡风险和促进长寿方面,体育活动的强度是一个比数量更重要的因素.
- 生成的百分点曲线为旨在实现最佳PA水平以获得健康益处的个人提供了有价值的指导.
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