成人的日常步骤和健康结果:系统性审查和剂量反应元分析
Ding Ding1, Binh Nguyen1, Tracy Nau1
1Sydney School of Public Health, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; The Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia.
The Lancet. Public health
|July 27, 2025
概括
每天步行7000步可以显著降低死亡率,心血管疾病,癌症,2型糖尿病,痴呆和跌倒的风险. 这个可实现的目标提供了有意义的健康益处,尽管10,000步仍然对高度活跃的个人有益.
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:
- 现有的关于日常步骤和健康结果的审查范围有限.
- 这项研究解决了对证据综合综合的需求.
研究的目的:
- 综合每日步骤和各种健康结果之间的剂量反应关系.
- 调查与所有原因死亡率,心血管疾病,癌症,2型糖尿病,认知和心理健康,身体功能和跌倒的关联.
主要方法:
- 预期研究的系统审查和元分析 (2014年1月至2025年2月).
- 搜索了PubMed和EBSCO CINAHL,并补充了其他策略.
- 包括成年人设备测量的每日步骤;评估偏差风险和证据确定性 (GRADE).
主要成果:
- 7000步/天显示所有原因死亡率 (47%),心血管疾病发病率 (25%),心血管疾病死亡率 (47%),癌症死亡率 (37%),2型糖尿病 (14%),痴呆症 (38%),抑郁症状 (22%) 和跌倒 (28%) 的风险显著降低.
- 对于大多数结果,观察到反向剂量反应关联,死亡率,心血管疾病,痴呆症和跌倒的转折点约为5000-7000步.
- 大多数结果的证据确定性是中等的,心血管疾病死亡率,癌症发病率,身体功能和跌倒的确定性较低.
结论:
- 每天7000步与临床上有意义的健康改善有关,对于一些人来说,这可能是一个比10,000步更容易实现的目标.
- 研究结果应根据研究的局限性进行解释,包括一些结果的小研究数量和潜在的残留混.
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