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BMJ. 2005 Oct 8;331(7520):805. Epub 2005 Sep 23.

Postcards from the EDge project: randomised controlled trial of an intervention using postcards to reduce repetition of hospital treated deliberate self poisoning.

Author information

  • 1Suicide Prevention Research Unit, Centre for Mental Health Studies, Faculty of Health, University of Newcastle, Newcastle, Australia. gregory.carter@newcastle.edu.au

Abstract

OBJECTIVE:

To determine whether an intervention using postcards (postcards from the EDge project) reduces repetitions of hospital treated deliberate self poisoning.

DESIGN:

Randomised controlled trial.

SETTING:

Regional referral service for general hospital treated deliberate self poisoning in Newcastle, Australia.

PARTICIPANTS:

772 patients aged over 16 years with deliberate self poisoning.

INTERVENTION:

Non-obligatory intervention using eight postcards over 12 months along with standard treatment compared with standard treatment alone.

MAIN OUTCOME MEASURES:

Proportion of patients with one or more repeat episodes of deliberate self poisoning and the number of repeat episodes for deliberate self poisoning per person in 12 months.

RESULTS:

The proportion of repeaters with deliberate self poisoning in the intervention group did not differ significantly from that in the control group (57/378, 15.1%, 95% confidence interval 11.5% to 18.7% v 68/394, 17.3%, 13.5% to 21.0%: difference between groups -2%, -7% to 3%). In unadjusted analysis the number of repetitions were significantly reduced (incidence risk ratio 0.55, 0.35 to 0.87).

CONCLUSION:

A postcard intervention reduced repetitions of deliberate self poisoning, although it did not significantly reduce the proportion of individual repeaters.

PMID:
16183654
[PubMed - indexed for MEDLINE]
PMCID:
PMC1246077
Free PMC Article
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