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Suicide mortality in people with mental disorders: a register-based study in north France

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Abstract

Introduction

Suicide is very common among people with mental disorders. In addition, suicide mortality rates are stable in this group, while they are decreasing in the general population.

Methods

The vital statuses of adult inpatients admitted to French psychiatry departments in 2008–2009 were researched in death databases on 31 December 2013. Suicide probability was calculated using a Kaplan–Meier analysis, and standardized mortality ratios (SMRs) were calculated in relation to the population of the study area.

Results

Among the 13,979 patients included in the study, (7416 men and 6563 women; mean age 43.6 ± 14.6 years), 1454 died in total, among whom 286 died by suicide an average of 4.9 years after the date of their enrolment. The cumulative probability of suicide was 0.8% at 1 year, 1.3% at 2 years and 2.5% at 6 years. The SMR value, which was 1492 for the whole group of patients and was twice as high in women (2494) as in men (1220), decreased with age (from 2078 in patients aged 18–34 years to 1278 in patients aged 75 years or more).

Discussion

Our study confirms that suicide mortality is higher in inpatients admitted to French psychiatry units than in the general population and advocates specific prevention programmes for this group.

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Acknowledgements

The authors wish to thank the following individuals who made this work possible through the sharing of their institutions' findings: Kankoe Amahtchoutchoui, Florence Béguin, Jennifer Dagmey, Michel Degroisse, Chloé Dumesnil, Nadine Fumery, Xavier Kyndt, Lisiane Lagache, Claude Langlet, Jacques Louvrier, Marie-Christine Nuttens, Jean Oureib, Bruno Péquignot, Christian Porteaux (✝), Nilsen Rheviharinala and Aurélien Schaffar.

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Authors and Affiliations

  1. Regional Federation of Psychiatry and Mental Health Research (Fédération Régionale de Recherche en Psychiatrie Et Santé Mentale) Hauts-de-France, 211 Rue du Général Leclerc, 59350, Saint-André-lez-Lille, France

    Laurent Plancke, Chloé Coton, Alina Amariei, Redha Kharfallah, Stéphane Duhem, Thierry Danel & Claire-Lise Charrel

  2. Univ. Lille, CNRS, UMR 8019 - CLERSE - Centre Lillois d’Études et de Recherches sociologiques et Économiques, Lille, France

    Laurent Plancke

  3. EHESP School of Public Health, Rennes, France

    Chloé Coton

  4. Univ. Lille, Lille, France

    Redha Kharfallah

  5. University Hospital of Lille, Lille, France

    Stéphane Duhem & Thierry Danel

  6. Public Mental Health Establishment Lille-Métropole, Armentières, France

    Claire-Lise Charrel

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  1. Laurent Plancke
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  2. Chloé Coton
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Correspondence to Laurent Plancke.

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Plancke, L., Coton, C., Amariei, A. et al. Suicide mortality in people with mental disorders: a register-based study in north France. Soc Psychiatry Psychiatr Epidemiol 55, 1503–1512 (2020). https://doi.org/10.1007/s00127-020-01892-y

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  • DOI: https://doi.org/10.1007/s00127-020-01892-y

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