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Presence of minor and major mental health impairment in adolescence and death from suicide and unintentional injuries/accidents in men: a national longitudinal cohort study
  1. Elin Anita Fadum1,2,
  2. Vinjar Fønnebø1,2,
  3. Einar Kristian Borud1,2
  1. 1The Norwegian Armed Forces Medical Services, Institute of Military Epidemiology, Sessvollmoen, Norway
  2. 2Faculty of Health Sciences, Institute of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
  1. Correspondence to Elin Anita Fadum, The Norwegian Armed Forces Medical Services, Institute of Military Epidemiology, 0028A, Sessvollmoen N-2058, Norway; efadum{at}forsvaretshelseregister.no

Abstract

Objective To examine the association between minor and major mental health impairment in late adolescence and death from suicide and unintentional injuries/accidents in men.

Methods In Norway, all men attend a compulsory military medical and psychological examination. We included 558 949 men aged 17–19 years at the time of military examination in 1980–1999 and followed them up for death from suicide and unintentional injuries/accidents until the end of 2013. We used Cox proportional hazard models to examine the association between the presence of minor and major mental health impairments at examination and death from suicide and unintentional injuries/accidents.

Results Compared to men with no mental health impairment, those with minor mental health impairment was associated with an increased risk of death from suicide (adjusted HR (HRadj)=1.63, 95% CI 1.39 to 1.92), transport accidents (HRadj=1.33, 95% CI 1.09 to 1.63), accidental poisoning (HRadj=2.27, 95% CI 1.79 to 2.88) and other unintentional injuries/accidents (HRadj=1.54, 95% CI 1.17 to 2.02). In men with major mental health impairment, the risk of death from suicide and accidental poisoning was elevated two times (HRadj=2.29, 95% CI 1.85 to 2.85) and three times (HRadj=3.53, 95% CI 2.61 to 4.79), respectively.

Conclusions We found an increased risk of death from suicide and unintentional injuries/accidents in men who had minor and major mental health impairment at age 17–19 years.

  • Cohort studies
  • EPIDEMIOLOGY
  • INJURIES
  • MORTALITY
  • SUICIDE

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Footnotes

  • Contributors EAF collected data, conducted data analysis and prepared the initial draft of the manuscript. EAF, VF and EKB participated in the interpretation of the results. The manuscript was then circulated repeatedly between all the authors for critical revision. All authors have read and approved the final version of the manuscript.

  • Competing interests None declared.

  • Ethics approval The Norwegian Armed Forces Health Register has approval under the ACT -2014-06-20-43 Law on health registers and processing of health data (Health Register Act) to hold personal identifiable information on mental and physical health, emigration, and death for the Norwegian Armed Forces’ personnel and conscripts, and to produce statistics in anonymous form without consent from the data participants. The study was therefore not submitted to the Regional Committees for Medical and Health Research Ethics and did not require a license from the Data Inspectorate to process sensitive personal data.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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