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An investigation of neighborhood-level social, economic and physical factors for railway suicide in Victoria, Australia

Too, Lay San, Spittal, Matthew J, Bugeja, Lyndal, Milner, Allison, Stevenson, Mark and McClure, Roderick 2015, An investigation of neighborhood-level social, economic and physical factors for railway suicide in Victoria, Australia, Journal of affective disorders, vol. 183, pp. 142-148, doi: 10.1016/j.jad.2015.05.006.

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Title An investigation of neighborhood-level social, economic and physical factors for railway suicide in Victoria, Australia
Author(s) Too, Lay San
Spittal, Matthew J
Bugeja, Lyndal
Milner, Allison
Stevenson, Mark
McClure, Roderick
Journal name Journal of affective disorders
Volume number 183
Start page 142
End page 148
Total pages 7
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-09-01
ISSN 1573-2517
Keyword(s) Neighborhood
Railway
Socio-environment
Suicide
Summary BACKGROUND: This study investigates the associations between railway suicide and neighborhood social, economic, and physical determinants using postcode-level data. It also examines whether the associations are influenced by having high concentration of high-risk individuals in a neighborhood area. METHODS: Railway suicide cases from Victoria, Australia for the period of 2001-2012, their age, sex, year of death, usual residential address and suicide location were obtained from the National Coronial Information System. Univariate negative binomial regression models were used to estimate the association between railway suicide and neighborhood-level social, economic and physical factors. Variables which were significant in these univariate models were then assessed in a multivariate model, controlling for age and sex of the deceased and other known confounders. RESULTS: Findings from the multivariate analysis indicate that an elevated rate of railway suicide was strongly associated with neighborhood exposure of higher number of railway stations (IRR=1.30 95% CI=1.16-1.46). Other significant neighborhood risk factors included patronage volume (IRR=1.06, 95% CI=1.02-1.11) and train frequency (IRR=1.02, 95% CI=1.01-1.04). An increased number of video surveillance systems at railway stations and carparks was significantly associated with a modest reduction in railway suicide risk (IRR=0.93, 95% CI=0.88-0.98). These associations were independent of concentration of high-risk individuals. LIMITATIONS: Railway suicide may be under-reported in Australia. CONCLUSIONS: Interventions to prevent railway suicide should target vulnerable individuals residing in areas characterized by high station density, patronage volume and train frequency.
Language eng
DOI 10.1016/j.jad.2015.05.006
Field of Research 1103 Clinical Sciences
170106 Health, Clinical and Counselling Psychology
Socio Economic Objective 920401 Behaviour and Health
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081384

Document type: Journal Article
Collection: School of Health and Social Development
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