Department of Economics and Business Economics

Benedicte Marie Winther Johannsen

Self-harm in women with postpartum mental disorders

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  • Benedicte Marie Johannsen
  • Janne Tidselbak Larsen
  • Thomas Munk Laursen
  • Karyn Ayre, Section of Women's Mental Health/Women's Health Academic Centre, Department of Health Service and Population Research, King's College London, London, UK; Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
  • ,
  • Louise M Howard, Section of Women's Mental Health/Women's Health Academic Centre, Department of Health Service and Population Research, King's College London, London, UK; Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
  • ,
  • Samantha Meltzer-Brody, Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina, USA.
  • ,
  • Bodil Hammer Bech
  • Trine Munk-Olsen

BACKGROUND: Women suffering from first onset postpartum mental disorders (PPMD) have a highly elevated risk of suicide. The current study aimed to: (1) describe the risk of self-harm among women with PPMD and (2) investigate the extent to which self-harm is associated with later suicide.

METHODS: We conducted a register-based cohort study linking national Danish registers. This identified women with any recorded first inpatient or outpatient contact to a psychiatric facility within 90 days after giving birth to their first child. The main outcome of interest was defined as the first hospital-registered episode of self-harm. Our cohort consisted of 1 202 292 women representing 24 053 543 person-years at risk.

RESULTS: Among 1554 women with severe first onset PPMD, 64 had a first-ever hospital record of self-harm. Women with PPMD had a hazard ratio (HR) for self-harm of 6.2 (95% CI 4.9-8.0), compared to mothers without mental disorders; but self-harm risk was lower in PPMD women compared to mothers with non-PPMD [HR: 10.1, (95% CI 9.6-10.5)] and childless women with mental disorders [HR: 9.3 (95% CI 8.9-9.7)]. Women with PPMD and records of self-harm had a significantly greater risk for later suicide compared with all other groups of women in the cohort.

CONCLUSIONS: Women with PPMD had a high risk of self-harm, although lower than risks observed in other psychiatric patients. However, PPMD women who had self-harmed constituted a vulnerable group at significantly increased risk of later suicide.

Original languageEnglish
JournalPsychological Medicine
Pages (from-to)1-7
Number of pages7
ISSN0033-2917
DOIs
Publication statusE-pub ahead of print - 12 Jul 2019

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