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Effectiveness of partial restriction of access to means in jumping suicide: lessons from four bridges in three countries.
Shin, Sangsoo; Pirkis, Jane; Clapperton, Angela; Spittal, Matthew; Too, Lay San.
Afiliación
  • Shin S; Centre for Mental Health and Community Wellbeing, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, VIC, Australia.
  • Pirkis J; Centre for Mental Health and Community Wellbeing, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, VIC, Australia.
  • Clapperton A; Centre for Mental Health and Community Wellbeing, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, VIC, Australia.
  • Spittal M; Centre for Mental Health and Community Wellbeing, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, VIC, Australia.
  • Too LS; Centre for Mental Health and Community Wellbeing, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, VIC, Australia.
Epidemiol Psychiatr Sci ; 33: e38, 2024 Sep 18.
Article en En | MEDLINE | ID: mdl-39291543
ABSTRACT

AIMS:

Restricting access to means by installing physical barriers has been shown to be the most effective intervention in preventing jumping suicides on bridges. However, little is known about the effectiveness of partial restriction with interventions that still allow jumping from the bridge.

METHODS:

This study used a quasi-experimental design. Public sites that met our inclusion criteria were identified using Google search and data on jumping suicides on Bridge A (South Korea), Bridges B and C (the United States) and Bridge D (Canada) were obtained from the relevant datasets. Incidence rate ratios (IRRs) were estimated using Poisson regressions comparing suicide numbers before and after the installation of physical structures at each site.

RESULTS:

Fences with sensor wires and spinning handrails installed above existing railings on the Bridge A, and fences at each side of the entrances and the midpoint of main suspension cables on the Bridge D were associated with significant reductions in suicides (IRR 0.37, 95% Confidence Interval (CI) 0.26 - 0.54; 0.26, 95% CI 0.09 - 0.76). Installation of bird spike on the parapet on the Bridge B, and fences at the front of seating alcoves on the Bridge C were not associated with changes in suicides (1.21, 95% CI 0.88 - 1.68; 1.49, 95% CI 0.56 - 3.98).

CONCLUSIONS:

Partial means restriction (such as fences with sensor wires and spinning bars at the top, and partial fencing at selected points) on bridges appears to be helpful in preventing suicide. Although these interventions are unlikely to be as effective as interventions that fully secure the bridge and completely prevent jumping, they might best be thought of as temporary solutions before more complete or permanent structures are implemented.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Suicidio / Prevención del Suicidio Límite: Female / Humans / Male País/Región como asunto: America do norte / Asia Idioma: En Revista: Epidemiol Psychiatr Sci Año: 2024 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Suicidio / Prevención del Suicidio Límite: Female / Humans / Male País/Región como asunto: America do norte / Asia Idioma: En Revista: Epidemiol Psychiatr Sci Año: 2024 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Reino Unido