在中国,城市级别的死亡率和15分钟的绿色空间访问率跨越了城市级别
Wanzhou Wang1, Fulin Wang1, Chao Yang2
1Institute of Medical Technology, Peking University Health Science Center, Beijing, 100191, China; National Institute of Health Data Science at Peking University, Beijing, 100191, China; Center for Digital Health and Artificial Intelligence, Peking University First Hospital, Beijing, 100034, China.
Environmental research
|September 25, 2025
概括
住宅附近可访问的绿地显著降低死亡风险,特别是在城市地区. 这凸显了可访问的绿地对公共卫生和城市规划的重要性.
科学领域:
- 环境流行病学环境流行病学
- 公共卫生 公共卫生
- 城市规划 城市规划
背景情况:
- 之前关于绿色空间健康益处的研究集中在数量上,忽视了个人可访问性.
- 了解可访问的绿色空间在死亡率中的作用对于有效的公共卫生战略至关重要.
研究的目的:
- 调查可访问的绿色空间与死亡率之间的关联.
- 检查区域城市化如何改变这些关联.
主要方法:
- 一项对47,086名参与者进行的队列研究,他们有潜在的死亡记录.
- 利用遥感数据进行绿色空间评估 (土地覆盖比例,NDVI) 在15分钟的步行/骑自行车同步期内.
- 分析了与所有原因和特定原因死亡率的关联,并通过城市化指标 (NLI,人口密度等) 探索效应的修改. ) 的情况.
主要成果:
- 在15分钟内步行和骑自行车的绿色空间与减少死亡风险有关.
- 在15分钟内增加10%的绿地覆盖,与5%的死亡率降低相关.
- 在城市化地区 (更高的NLI,人口密度,道路密度) 观察到更强的保护效应.
结论:
- 可访问的绿色空间与较低的死亡率有关,在高度城市化地区的好处得到了放大.
- 在土地规划中整合绿色空间可访问性和城市性考虑对于最大限度地提高健康效益至关重要.
- 调查结果强调需要公平地分配可访问的绿色空间,特别是在城市环境中.
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