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Background <p>Suicide is a serious and growing public health issue with a complex, multifactorial etiology involving psychological, social, and environmental determinants. Increasing evidence suggests that meteorological and climatic factors may influence the risk of suicidal behavior, supporting their inclusion in prevention and intervention research. This study aimed to examine the relationship between weather variables and suicide frequency in selected Polish cities.</p> Methods <p>Data from 2019 on suicides in Katowice, Łódź, Gdańsk, and Białystok were analyzed in relation to daily meteorological data from local stations of the Institute of Meteorology and Water Management, covering all 365 days of the year. Variables included air temperature (minimum, maximum, average), precipitation and its type, sunshine duration, wind speed and gusts, cloud cover, air pressure, and atmospheric phenomena such as snow, sleet, hail, thunderstorms, fog, and haze. Associations were assessed using Spearman’s rank correlation (<i>p</i> &lt; 0.05).</p> Results <p>Weak but statistically significant correlations were found between selected meteorological parameters and suicide frequency, varying by city, sex, and age group.</p> Conclusions <p>These findings suggest that weather conditions may contribute to suicide risk. Incorporating meteorological factors into suicide-prevention strategies could enhance early intervention efforts, particularly in the context of ongoing climate change.</p>

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Meteorological determinants of suicide rates: evidence from population-based data

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年3月18日

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  • Błażej Pilarski,
  • Magdalena Stencel,
  • Szymon Florek,
  • Zbigniew Pankiewicz,
  • Łukasz Kunert,
  • Robert Pudlo

摘要

Background

Suicide is a serious and growing public health issue with a complex, multifactorial etiology involving psychological, social, and environmental determinants. Increasing evidence suggests that meteorological and climatic factors may influence the risk of suicidal behavior, supporting their inclusion in prevention and intervention research. This study aimed to examine the relationship between weather variables and suicide frequency in selected Polish cities.

Methods

Data from 2019 on suicides in Katowice, Łódź, Gdańsk, and Białystok were analyzed in relation to daily meteorological data from local stations of the Institute of Meteorology and Water Management, covering all 365 days of the year. Variables included air temperature (minimum, maximum, average), precipitation and its type, sunshine duration, wind speed and gusts, cloud cover, air pressure, and atmospheric phenomena such as snow, sleet, hail, thunderstorms, fog, and haze. Associations were assessed using Spearman’s rank correlation (p < 0.05).

Results

Weak but statistically significant correlations were found between selected meteorological parameters and suicide frequency, varying by city, sex, and age group.

Conclusions

These findings suggest that weather conditions may contribute to suicide risk. Incorporating meteorological factors into suicide-prevention strategies could enhance early intervention efforts, particularly in the context of ongoing climate change.