相关实验视频
Updated: May 23, 2025
16:14
Trajectory Data Analyses for Pedestrian Space-time Activity Study
Published on: February 25, 2013
13.5K
随着时间的推移,针对儿童枪支伤害的9-1-1响应的地理空间聚类
Craig D Newgard1, Susan Malveau1, Amber Lin1
1Center for Policy and Research in Emergency Medicine, Department of Emergency Medicine, Oregon Health & Science University, Portland, Oregon.
Pediatrics
|March 11, 2025
概括
儿科枪支伤害显示空间聚类,通常发生在家庭邮政编码. 确定为儿科枪支热点的新邮政编码的数量每年都在增加.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 伤害预防 预防伤害
背景情况:
- 枪支伤害在儿童和青少年中是一个重大的公共卫生问题.
- 了解这些伤害的地理分布和时间趋势对于有针对性的干预至关重要.
研究的目的:
- 为了评估儿科枪支伤害的空间聚类.
- 用国家911紧急医疗服务 (EMS) 数据分析随时间的推移的地理变化.
- 为了确定儿童枪支伤害的高风险区域 (热点).
主要方法:
- 一项横截面研究利用了2012年1月1日至2022年12月31日的全国9-1-1 EMS响应数据.
- 数据包括50个州的0-17岁儿童,对37个州进行了详细的空间分析.
- 评估了空间聚类,包括相对于家庭邮政编码的伤害位置和新热点的识别.
主要成果:
- 分析了超过1050万个9-1-1 EMS响应,其中26101个 (0.25%) 与枪支伤害有关.
- 儿童枪支伤害的很大一部分发生在孩子的家庭邮政编码内 (80.9%的儿童,69.7%的青少年).
- 大约有40.5%的儿童和51.5%的青少年受伤发生在集群地区,每年发现的新集群邮政编码数量越来越多.
结论:
- 儿童枪支伤害表现出显著的空间聚类,经常发生在住宅区.
- 儿童枪支伤害热点的地理范围正在扩大,新的集群邮政编码的出现表明了这一点.
- 调查结果强调需要针对地理位置的预防策略来解决儿童枪支暴力问题.
相关概念视频
01:29Applications of GIS: Disaster Management and Emergency Response
31
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
31
01:25Selected Data About Geographic Locations
22
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
22
01:21Manipulation and Analysis
17
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
17