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Culture, Medicine, and Psychiatry

, Volume 42, Issue 3, pp 647–653 | Cite as

Association Between Suicide and Environmental Variables in the North of Spain: A 14-Year Analysis

  • Maite Santurtún
  • Arturo Sanchez-Lorenzo
  • Álvaro del Real
  • María T. Zarrabeitia
  • Ana Santurtún
Communique
  • 93 Downloads

Abstract

Suicide is a serious public health problem around the world. Since the nineteenth century, the impact of socio-environmental factors on suicide has attracted much public attention, especially in the context of global climate change. We have performed a retrospective correlation study that analyzes the demographic pattern of suicide in Cantabria, a northern coastland region of Spain. Moreover, we have created a multivariable binomial regression model to study the relationship between suicide and environmental factors (atmospheric pollutants and meteorological variables) among January 1, 2000, and December 31, 2013 in the province. During the 14-year study period, there was a suicide annual incidence of 4.9 cases per 100,000 population in Cantabria. The incidence was highest in adults aged 70–74 years old (11.8 per 100,000 population). The most common method group of suicide was hanging, strangulation and suffocation, accounting for 49.3% of all suicide deaths. When correlating suicide and meteorological variables, a statistically significant association was found with the level of cloudiness (p = 0.007). According to our results, an increase of one eighth of sky cloud-cover correlated to a 7% increase in total deaths by suicide and the association was especially strong during spring.

Keywords

Suicide Meteorology Cloudiness Method Spain 

Notes

Acknowledgements

We thank Alejandro Villar and Gemma Garcia-Soriano for their help, comments and input.

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no competing interests.

Ethical Approval

This article does not contain any studies with human participants performed by any of the authors.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Nursery DepartmentUniversity of CantabriaSantanderSpain
  2. 2.Department of PhysicsUniversity of ExtremaduraBadajozSpain
  3. 3.Department of Medicine and PsychiatryUniversity of CantabriaSantanderSpain
  4. 4.Unit of Legal MedicineUniversity of CantabriaSantanderSpain

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