一座桥梁的结构性干预降低了澳大利亚维多利亚州整体跳跃自杀率
J Dwyer1, M J Spittal2, K Scurrah2
1Coroners Prevention Unit, Coroners Court of Victoria, Southbank, VIC, Australia.
Epidemiology and psychiatric sciences
|September 18, 2023
概括
在高风险的桥梁上安装安全屏障,比如西门大桥,大大减少跳跃自杀. 这种干预不仅消除了目标地点的自杀,而且还降低了其他桥梁的整体自杀率,这表明了更广泛的公共卫生影响.
科学领域:
- 公共卫生 公共卫生
- 自杀学是一种自杀学.
- 城市规划 城市规划
背景情况:
- 高风险的桥梁是跳跃自杀的重要地点.
- 安全障碍对更广泛的地理自杀模式的影响尚不清楚.
- 在障碍安装之前,西门大桥占维多利亚州自杀案的40%.
研究的目的:
- 为了检查安全障碍对澳大利亚维多利亚州跨越自杀事件的影响.
- 评估西门大桥,其他桥梁和非桥梁地点自杀率的变化.
- 为了确定障碍物安装是否改变了跳跃自杀的地理分布.
主要方法:
- 在维多利亚时代 (2000-2019年) 的自杀数据上利用负二项式回归.
- 在西门大桥安装屏障之前,期间和之后的自杀率的比较.
- 使用线性回归来分析到自杀地点的旅行距离的变化.
主要成果:
- 在西门大桥安装后发生了零跳跃自杀事件.
- 在维多利亚州所有地区,跳跃自杀率下降了65%.
- 其他桥梁的自杀率下降了69%,而非桥梁地点没有显著变化.
结论:
- 高风险桥梁上的安全障碍在防止安装现场发生自杀事件方面非常有效.
- 实施障碍物可以在更广泛的地区显著减少跳跃自杀的总体情况.
- 这项研究表明,安全障碍可以在安装的直接附近之外产生积极的预防影响.
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