定期炼对预防中风的影响:一个工具变量方法
1Department of Public Health Sciences, Graduate School of Public Health, Seoul National University, 1 Gwanak-Ro, Gwanak-Gu, Seoul, 08826, Republic of Korea. wsjeong22@snu.ac.kr.
BMC public health
|March 28, 2025
概括
定期运动显著降低了韩国成年人中风风险. 这项研究使用了仪器变量方法来确认身体活动是预防中风的关键因素,即使考虑到其他影响.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 预防医学 预防医学
背景情况:
- 在韩国,中风是导致死亡的主要原因,由于人口老龄化,中风的发病率正在上升.
- 身体不活动是一个全球性的健康问题,但关于运动和中风预防的观察研究可能是有偏见的.
- 没有观察到的因素和反向因果关系可以混身体活动和中风发生之间的关系.
研究的目的:
- 调查定期体育活动对韩国成年人中风预防的因果关系.
- 通过采用仪表变量方法来解决先前研究的局限性.
- 提供关于运动在减轻中风风险方面的有效性的强有力的证据.
主要方法:
- 利用了2014年和2016年韩国社区健康调查的数据 (n=416,032).
- 员工靠近运动设施作为定期炼的工具变量.
- 应用了双变量探针回归来估计定期运动对医生诊断的中风的因果关系.
主要成果:
- 靠近运动设施与定期炼有积极的关联.
- 定期炼与中风发生率有显著的负面关联.
- 估计的平均治疗效果 (ATE) 和对被治疗者的平均治疗效果 (ATT) 表明,中风风险从 -0.174 降至 -0.154 个百分点.
结论:
- 这项研究提供了对韩国成年人代表样本中定期运动对中风预防的影响的仪器变量估计.
- 研究结果证实,定期体育活动可以大大降低中风风险.
- 即使控制了潜在的反向因果关系和未观察到的混因素,结果也保持不变.
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