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Low control and high demands at work as risk factors for suicide: An Australian national population-level case-control study

Milner, Allison, Spittal, Matthew J., Pirkis, Jane, Chastang, Jean-Francois, Niedhammer, Isabelle and LaMontagne, Anthony D. 2016, Low control and high demands at work as risk factors for suicide: An Australian national population-level case-control study, Psychosomatic medicine, In Press, pp. 1-7, doi: 10.1097/PSY.0000000000000389.

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Title Low control and high demands at work as risk factors for suicide: An Australian national population-level case-control study
Author(s) Milner, Allison
Spittal, Matthew J.
Pirkis, Jane
Chastang, Jean-Francois
Niedhammer, Isabelle
LaMontagne, Anthony D.ORCID iD for LaMontagne, Anthony D.
Journal name Psychosomatic medicine
Season In Press
Start page 1
End page 7
Total pages 7
Publisher Wolters Kluwer
Place of publication Tampa, Flo.
Publication date 2016-08-31
ISSN 1534-7796
Summary OBJECTIVES: Previous research suggests that psychosocial job stressors may be plausible risk factors for suicide. This study assessed the relationship between psychosocial job stressors and suicide mortality across the Australian population. METHODS: We developed a job exposure matrix to objectively measure job stressors across the working population. Suicide data came from a nationwide coronial register. Living controls were selected from a nationally representative cohort study. Incidence density sampling was used to ensure that controls were sampled at the time of death of each case. The period of observation for both cases and controls was 2001 to 2012. We used multilevel logistic regression to assess the odds of suicide in relation to 2 psychosocial job stressors (job control and job demands), after matching for age, sex, and year of death/survey and adjusting for socioeconomic status. RESULTS: Across 9,010 cases and 14,007 matched controls, our results suggest that low job control (odds ratio [OR], 1.35; 95% confidence interval [CI], 1.26-1.44; p < .001) and high job demands (OR, 1.36; 95% CI, 1.26-1.46; p < .001) were associated with increased odds of male suicide after adjusting for socioeconomic status. High demands were associated with lower odds of female suicide (OR, 0.81; 95% CI, 0.72-0.92; p = .002). CONCLUSIONS: It seems that adverse experiences at work are a risk factor for male suicide while not being associated with an elevated risk among females. Future studies on job stressors and suicide are needed, both to further understand the biobehavioral mechanisms explaining the link between job stress and suicide, and to inform targeted prevention initiatives.
Language eng
DOI 10.1097/PSY.0000000000000389
Field of Research 111714 Mental Health
11 Medical And Health Sciences
17 Psychology And Cognitive Sciences
Socio Economic Objective 920410 Mental Health
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, American Psychosomatic Society
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Document type: Journal Article
Collection: Population Health
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