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History of psychiatric hospital admission increases the risk of suicide less in the very old than in middle aged people

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Q Does hospitalisation for psychiatric disorder increase suicide risk in elderly people?


Embedded ImageDesign:

Prospective cohort study based on individual level record linkage.

Embedded ImageFollow up period:

Five years.

Embedded ImageSetting:

General population, Denmark; 1 January 1994 to 31 December 1998.

Embedded ImagePeople:

All people aged 50 years and over living in Denmark between 1994 and 1998 (1 978 527 people). Data on gender, age, and migration was obtained from the Register of Population Statistics.

Embedded ImageRisk factors:

Hospitalisation for psychiatric causes, identified using the Danish Psychiatric Central Register.

Embedded ImageOutcomes:

Death by suicide (ICD-10), identified using the Registry of Causes of Death. Proportional hazards models were used for event history analysis to calculate …

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  • For correspondence: Dr A Erlangsen, National Centre for Register-based Research, University of Aarhus, Taasingegade 1, DK-8000 Aarhus C, Denmark; aer{at}

  • Sources of funding: Danish Health Insurance Foundation and the Reference Group for Prevention of Suicide Attempts and Suicide, Denmark.