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The effect of meteorological variables on suicide
International Journal of Biometeorology ( IF 3.0 ) Pub Date : 2020-05-22 , DOI: 10.1007/s00484-020-01940-x
Selvi Kayipmaz 1 , Ishak San 2 , Eren Usul 3 , Semih Korkut 4
Affiliation  

We aimed to reveal the relationship between the meteorological variables and suicide rates (completed suicides and suicide attempts) independently of the seasonal cycle and holiday effects. This is an observational retrospective study. We collected the data on age, gender, and suicide method of all suicide cases transferred to hospitals from the scene by emergency medical services as well as those cases in which the victim died on the scene between January 1, 2017 and June 30, 2019. We also collected data on maximum, minimum, and average temperatures (°C), average humidity (%), and average actual pressure (hPa) measured daily in Ankara. The total number of cases due to suicide between the given dates was 6777. The suicide method in 60.1% of the cases was drug poisoning, which was the most common suicide method. Investigating the effect of meteorological variables on suicide cases (suicide attempts and completed suicides), the present study found that after smoothing the effect of the day of the week and seasonality, an increase in the minimum temperature on the day of the application by 1 unit (1°C degree) leads to an increase in the number of suicides by 0.01 point (0.01 ± 0.005, p = 0.046). There was no significant change in the variables other than the minimum temperature. We believe that the results of the present study will contribute to growing body literature about the epidemiology of suicide. We also believe that there is a need for large-scale studies that include individual data to reveal causality.

中文翻译:

气象变量对自杀的影响

我们旨在独立于季节性周期和假期影响,揭示气象变量与自杀率(完成自杀和自杀未遂)之间的关系。这是一项观察性回顾性研究。我们收集了 2017 年 1 月 1 日至 2019 年 6 月 30 日期间由紧急医疗服务从现场转移到医院的所有自杀案件以及受害者在现场死亡的案件的年龄、性别和自杀方式的数据。我们还收集了安卡拉每天测量的最高、最低和平均温度 (°C)、平均湿度 (%) 和平均实际压力 (hPa) 的数据。在给定日期之间因自杀导致的案件总数为6777。60.1%的案件中的自杀方式是药物中毒,这是最常见的自杀方式。调查气象变量对自杀案例(自杀未遂和自杀完成)的影响,本研究发现,在平滑一周中某天和季节性的影响后,申请当天的最低气温增加了 1 个单位(1°C 度)导致自杀人数增加 0.01 个点(0.01 ± 0.005,p = 0.046)。除最低温度外,其他变量没有显着变化。我们相信,本研究的结果将有助于增加有关自杀流行病学的身体文献。我们还认为,需要包括个人数据的大规模研究来揭示因果关系。本研究发现,在平滑星期几和季节性的影响后,申请当天的最低气温每增加1个单位(1°C度),导致自杀人数增加0.01点 (0.01 ± 0.005, p = 0.046)。除最低温度外,其他变量没有显着变化。我们相信,本研究的结果将有助于增加有关自杀流行病学的身体文献。我们还认为,需要包括个人数据的大规模研究来揭示因果关系。本研究发现,在平滑星期几和季节性的影响后,申请当天的最低气温每增加1个单位(1°C度),导致自杀人数增加0.01点 (0.01 ± 0.005, p = 0.046)。除最低温度外,其他变量没有显着变化。我们相信,本研究的结果将有助于增加有关自杀流行病学的身体文献。我们还认为,需要包括个人数据的大规模研究来揭示因果关系。除最低温度外,其他变量没有显着变化。我们相信,本研究的结果将有助于增加有关自杀流行病学的身体文献。我们还认为,需要包括个人数据的大规模研究来揭示因果关系。除最低温度外,其他变量没有显着变化。我们相信,本研究的结果将有助于增加有关自杀流行病学的身体文献。我们还认为,需要包括个人数据的大规模研究来揭示因果关系。
更新日期:2020-05-22
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