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International Journal of Biometeorology

, Volume 27, Issue 2, pp 93–105 | Cite as

A statistical investigation into the relationship between meteorological parameters and suicide

  • Keith W. Dixon
  • Mark D. Shulman
Article

Abstract

Many previous studies of relationships between weather and suicides have been inconclusive and contradictory. This study investigated the relationship between suicide frequency and meteorological conditions in people who are psychologically predisposed to commit suicide. Linear regressions of diurnal temperature change, departure of temperature from the climatic norm, mean daytime sky cover, and the number of hours of precipitation for each day were performed on daily suicide totals using standard computer methods. Statistical analyses of suicide data for days with and without frontal passages were also performed. Days with five or more suicides (clusterdays) were isolated, and their weather parameters compared with those of nonclusterdays. Results show that neither suicide totals nor clusterday occurrence can be predicted using these meteorological parameters, since statistically significant relationships were not found. Although the data hinted that frontal passages and large daily temperature changes may occur on days with above average suicide totals, it was concluded that the influence of the weather parameters used, on the suicide rate, is a minor one, if indeed one exists.

Keywords

Temperature Change Meteorological Condition Statistical Investigation Daily Temperature Suicide Rate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Swets & Zeitlinger 1983

Authors and Affiliations

  • Keith W. Dixon
  • Mark D. Shulman
    • 1
    • 2
  1. 1.Department of Meteorology and Physical Oceanography Cook College-New JerseyUSA
  2. 2.Agricultural Experiment Station RutgersThe State University of New JerseyNew BrunswickUSA

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