Cause-specific life-years lost in people with mental disorders

a nationwide, register-based cohort study

Annette Erlangsen, Per Kragh Andersen, Anita Toender, Thomas Munk Laursen, Merete Nordentoft, Vladimir Canudas-Romo

Research output: Contribution to journalArticle

Abstract

Background People with mental disorders have higher mortality rates than the general population and more detailed estimates of mortality differences are needed to address this public health issue. We aimed to assess whether differences in cause-specific mortality between people with and without mental disorders have changed between 1995 and 2014 by quantifying life-years lost and assessing differences over time. Methods Using a cohort design, we linked nationwide population data from the Danish Civil Registration System to information about hospital contacts from the Psychiatric Central Research Register and deaths from the Danish Cause of Death register. All linked data sources contained longitudinal information covering all individuals aged 15–94 years living in Denmark between 1995 and 2014. We assessed cause-specific mortality differences using rate ratios and average life-years lost. Findings Between 1995 and 2014, 6 107 234 individuals (3 026 132 men and 3 081 102 women) aged 15–94 years were living in Denmark. The study population was observed over 89 216 177 person-years (men: 43 914 948; women 45 301 229). Cause-specific mortality rates were higher for people with mental disorders than those without (total mortality rate per 1000 person-years in men 27·1 vs 11·4, respectively, and in women 21·2 vs 11·0). When compared with individuals without mental disorders, men and women with mental disorders had 10·20 and 7·34 excess life-years lost, respectively. The largest cause-specific differences between those with and without mental disorders in terms of excess life-years lost were for respiratory diseases (men: 0·9; women: 1·4) and alcohol misuse (men: 2·8; women: 1·2). Between 1995 and 2014, we noted an increase in excess life-years lost for neoplasms (men: 0·7; women: 0·4), heart diseases (men: 1·2; women: 0·3), and respiratory diseases (men: 0·3; women: 0·2), and a decrease for suicide (men: −0·7; women: −0·5) and accidents (men: −0·9; women: −0·5). Interpretation By applying a novel approach, more precise estimates of life-years lost were obtained. The increase in excess mortality due to medical diseases and disorders among people with mental disorders emphasises the need for future interventions to address these aspects as well as the continued high shares of excess mortality due to alcohol misuse, suicide, and accidents. Funding The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH).

Original languageEnglish (US)
Pages (from-to)937-945
Number of pages9
JournalThe Lancet Psychiatry
Volume4
Issue number12
DOIs
StatePublished - Dec 1 2017

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Mental Disorders
Cohort Studies
Mortality
Denmark
Suicide
Accidents
Alcohols
Population
Information Storage and Retrieval
Psychiatric Hospitals
Research
Information Systems
Psychiatry
Cause of Death
Heart Diseases
Public Health

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry

Cite this

Erlangsen, A., Andersen, P. K., Toender, A., Laursen, T. M., Nordentoft, M., & Canudas-Romo, V. (2017). Cause-specific life-years lost in people with mental disorders: a nationwide, register-based cohort study. The Lancet Psychiatry, 4(12), 937-945. https://doi.org/10.1016/S2215-0366(17)30429-7

Cause-specific life-years lost in people with mental disorders : a nationwide, register-based cohort study. / Erlangsen, Annette; Andersen, Per Kragh; Toender, Anita; Laursen, Thomas Munk; Nordentoft, Merete; Canudas-Romo, Vladimir.

In: The Lancet Psychiatry, Vol. 4, No. 12, 01.12.2017, p. 937-945.

Research output: Contribution to journalArticle

Erlangsen, A, Andersen, PK, Toender, A, Laursen, TM, Nordentoft, M & Canudas-Romo, V 2017, 'Cause-specific life-years lost in people with mental disorders: a nationwide, register-based cohort study', The Lancet Psychiatry, vol. 4, no. 12, pp. 937-945. https://doi.org/10.1016/S2215-0366(17)30429-7
Erlangsen, Annette ; Andersen, Per Kragh ; Toender, Anita ; Laursen, Thomas Munk ; Nordentoft, Merete ; Canudas-Romo, Vladimir. / Cause-specific life-years lost in people with mental disorders : a nationwide, register-based cohort study. In: The Lancet Psychiatry. 2017 ; Vol. 4, No. 12. pp. 937-945.
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