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Keith Hawton a University of Oxford, Department of Psychiatry,
Warneford Hospital, Oxford OX3 7JX, b ICRF/NHS Centre for Statistics in
Medicine, Institute of Health Sciences, Oxford OX3 7LF, c United Bristol Healthcare Trust,
Directorate of Mental Health, Barrow Hospital, Bristol BS19 3SG, d University of Oxford, Nuffield Department of Orthopaedic
Surgery, John Radcliffe Hospital, Oxford OX3 9DU, e Glasgow University Media
Unit, Glasgow G12 8LF
Correspondence to: Professor Hawton
Keith.Hawton{at}psychiatry.oxford.ac.uk
Objectives:
To determine whether a serious paracetamol overdose in the medical television drama Casualty
altered the incidence and nature of general hospital presentations for
deliberate self poisoning.
Design:
Interrupted time series analysis of
presentations for self poisoning at accident and emergency departments
during three week periods before and after the broadcast. Questionnaire responses collected from self poisoning patients during the same periods.
Setting:
49 accident and emergency departments
and psychiatric services in United Kingdom collected incidence data; 25 services collected questionnaire data.
Subjects:
4403 self poisoning patients; questionnaires completed for 1047.
Main outcome measures:
Change in presentation rates
for self poisoning in the three weeks after the broadcast compared with
the three weeks before, use of paracetamol and other drugs for self
poisoning, and the nature of overdoses in viewers of the broadcast
compared with non-viewers.
Results:
Presentations for self poisoning increased by
17% (95% confidence interval 7% to 28%) in the week after the broadcast and by 9% (0 to 19%) in the second week. Increases in paracetamol overdoses were more marked than increases in
non-paracetamol overdoses. Thirty two patients who presented in the
week after the broadcast and were interviewed had seen the
episode
20% said that it had influenced their decision to take an
overdose, and 17% said it had influenced their choice of drug. The use
of paracetamol for overdose doubled among viewers of
Casualty after the episode (rise of 106%; 28% to
232%).
Conclusions:
Broadcast of popular television dramas
depicting self poisoning may have a short term influence in terms of
increases in hospital presentation for overdose and changes in the
choice of drug taken. This raises serious questions about the
advisability of the media portraying suicidal behaviour.
Key messages
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