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The European Journal of Public Health Advance Access published online on August 10, 2005
The European Journal of Public Health, doi:10.1093/eurpub/cki060
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© The Author 2005. Published by Oxford University Press on behalf of the European Public Health Association. All rights reserved.
Received January 13, 2004
Accepted October 6, 2004

Article

Ten-year incidence and time trends of railway suicides in Germany from 1991 to 2000

J. Baumert 1, N. Erazo 2, and K. H. Ladwig 1*

1 Institut und Poliklinik für Psychosomatische Medizin, Psychotherapie und Med. Psychologie, Klinikums rechts der Isar der Technischen Universität München, München, Germany; Institute of Epidemiology--GSF National Research Center for Environment and Health, Neuherberg, Germany
2 Institut und Poliklinik für Psychosomatische Medizin, Psychotherapie und Med. Psychologie, Klinikums rechts der Isar der Technischen Universität München, München, Germany

* To whom correspondence should be addressed.
K. H. Ladwig, E-mail: kh.ladwig{at}lrz.tu-muenchen.de


  Abstract

Background: Railway suicides strongly impact psychological and socioeconomic aspects of the railway company, its employees and possible eye witnesses. We aimed to assess the incidence of railway suicides compared with the total burden of suicides in Germany and its time trend over a 10-year observation period. Methods: From 1991 to 2000, a total of 8653 fatal railway suicides were recorded by the national central registry of all passenger accidents on the German railway net. To assess time trends, the average annual percentage change (AAPC) of the number of suicides was estimated using Poisson regression. Adjustments were made for two age groups and measures of availability. Results: Railway suicides accounted for 7.0% (annual range 5.0-7.9%) of all suicides in Germany. The time trend of the number of suicides by all means declined, with a significant stronger decline for older subjects [AAPC -2.2; 95% confidence intercal (CI) -3.0 to -1.5; and -4.2; 95% CI -5.2 to -3.0]. An AAPC of 1.8% (95% CI 0.1-3.4) indicated an increasing time trend of the number of railway suicides for subjects aged ≤65 years, whereas, in contrast, fatal incidences for subjects aged >65 years exhibited a strong decrease (AAPC -6.2%; 95% CI -10.9 to -1.3). Conclusions: The present study demonstrates different time trends for railway suicides compared with all suicides. It underlines the urgent need for amplified research efforts in the particular field of railway suicides. Further examinations are recommended, in particular concerning possible reasons for this suicidal method.

Keywords: availability; public burden; railway suicides; time trends.
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