Patterns and predictors of re-admission to hospital with self-poisoning in Scotland

R. A. Payne, J. J. Oliver, M. Bain, A. Elders, D. N. Bateman*

*Corresponding author for this work

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Objectives: To identify factors influencing hospital re-admission with self-poisoning.

Study design: Retrospective cohort follow-up study using national linked hospital discharge data.

Methods: All Scottish adult hospital episodes with self-poisoning admissions were captured using NHS Scotland Information Services Division data, and first-time 'index' admissions between 1996 and 2002 were identified. Re-admission rate was defined as the proportion of index admissions who went on to have one or more further self-poisoning admissions within 2 years. The effects of various potential risk factors for re-admission were examined using logistic regression.

Results: In total, 50,891 index admissions were identified; of these, 8278 patients were re-admitted. The 1-year re-admission rate was 12.2%. Older patients (>65 years) were least likely to be re-admitted [odds ratio (OR) 0.40, P <0.01, compared with patients aged 15-24 years]. No differences were found between males and females. Previous psychiatric hospital admission was associated with an increased readmission rate (OR 2.85, P <0.01), with a diagnosis of personality disorder associated with the highest rate of re-admission (OR 4.59, P <0.01). Other factors predicting re-admission were: increased deprivation (quintile 3: OR 1.16, P <0.01; quintile 5: OR 1.15, P <0.01, compared with quintile 1); taking medicines for chronic disease, drug dependency (OR 1.6 and 1.19, P

Conclusion: Younger age, higher deprivation, ingestion of certain drug groups or multiple drug types, and prior psychiatric hospital admission are all risk factors for re-admission with self-poisoning. Personality disorder carried the greatest risk of re-admission. These findings may provide a basis to develop policies to reduce re-admission rates in the future. (C) 2008 The Royal Society for Public Health. Published by Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)134-137
Number of pages4
JournalPublic Health
Volume123
Issue number2
Early online date30 Jan 2009
DOIs
Publication statusPublished - Feb 2009

Keywords

  • self-poisoning
  • re-admission
  • predictors

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    Payne, R. A., Oliver, J. J., Bain, M., Elders, A., & Bateman, D. N. (2009). Patterns and predictors of re-admission to hospital with self-poisoning in Scotland. Public Health, 123(2), 134-137. https://doi.org/10.1016/j.puhe.2008.12.002