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增加自杀死亡率和减少与环境热暴露相关的预期寿命
Qiyue Wu1, Xiuya Xing2, Min Yang1
1Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China; Anhui Province Key Laboratory of Major Autoimmune Disease, Hefei, China.
American journal of preventive medicine
|February 4, 2024
概括
在中国,极端高温显著增加了自杀风险,并减少了预期寿命. 这项研究发现,暴露于热量与超过30%的自杀有关,平均每次死亡的生命损失为7年.
科学领域:
- 环境健康 环境健康
- 公共卫生 公共卫生
- 流行病学 流行病学
背景情况:
- 暴露于环境热量是全球公认的自杀风险因素.
- 与高温相关的自杀死亡对预期寿命的影响仍未得到充分量化,特别是在中国.
研究的目的:
- 评估极端高温对中国自杀死亡率的短期影响.
- 量化归因于与高温有关的自杀导致的预期寿命的缩短.
主要方法:
- 在中国安省,从2016年到2020年,在温暖的季节 (五月到九月) 进行了时间分层,案例交叉分析.
- 极端热被定义为平均温度 (30.6°C) 的第95百分位数.
- 亚组分析检查了性别,年龄,婚姻状况,自杀类型和地区的变化. 计算了可归因的分数和丧失的生命年数 (YLL).
主要成果:
- 总共分析了9642例自杀死亡,平均年龄为62.4岁;58.8%是男性.
- 与每日最低温度 (7.9°C) 相比,暴露于极端高温与80.7%的自杀风险增加有关.
- 暴露于热量与31.7%的自杀有关,导致每位死者的预期寿命损失约为7.0年. 在已婚个人中,风险更高.
结论:
- 暴露于环境热量与增加自杀风险和减少预期寿命显著相关.
- 与热量相关的自杀代表了相当大的公共卫生负担,减少了寿命.
- 需要进一步的前性研究来证实这些发现,并为有针对性的干预提供信息.
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