Hostname: page-component-7c8c6479df-ws8qp Total loading time: 0 Render date: 2024-03-28T23:18:01.006Z Has data issue: false hasContentIssue false

The Identification of Clustering in Parasuicide

Published online by Cambridge University Press:  02 January 2018

Nigel Smeeton*
Affiliation:
General Practice Research Unit, Institute of Psychiatry, De Crespigny Park, London SE5 8AF
Greg Wilkinson
Affiliation:
General Practice Research Unit, Institute of Psychiatry, De Crespigny Park, London SE5 8AF
*
Correspondence

Abstract

A straightforward test for detecting clustering in patterns of parasuicide in individual patients is described and applied to data from the Edinburgh Regional Poisoning Treatment Centre.

Type
Research Article
Copyright
Copyright © Royal College of Psychiatrists, 1988 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Bancroft, J. & Marsack, P. (1977) The repctitivcncss of self-poisoning and self-injury. British Journal of Psychiatry, 131, 394399.Google Scholar
Buglass, D. & Horton, J. (1974) The repetition of parasuicide: a comparison of three cohorts. British Journal of Psychiatry, 125, 168174.Google Scholar
Duffy, J. C. (1977) Frequency distribution of hospital-referred parasuicidal episodes in Edinburgh. British Journal of Preventive and Social Medicine, 31, 109115.Google Scholar
Kennedy, P., Kreitman, N. & Ovenstone, I. M. K. (1974) The prevalence of suicide and parasuicide (‘attempted suicide’) in Edinburgh. British Journal of Psychiatry, 124, 3641.Google Scholar
Kreitman, N. (1976) Age and parasuicide (‘attempted suicide’). Psychological Medicine, 6, 113121.CrossRefGoogle Scholar
Kreitman, N. (1977) Parasuicide. Chichester: John Wiley.Google Scholar
Naus, J. (1966) Some probabilities, expectations and variances for the size of largest clusters and smallest intervals. Journal of the American Statistical Association, 61, 11911199.CrossRefGoogle Scholar
Siegel, S. (1956) Nonparametric Statistics for the Behavioural Sciences. New York: McGraw–Hill.Google Scholar
Wallenstein, S. (1980) A test for detection of clustering over time. American Journal of Epidemiology, 111, 367373.CrossRefGoogle Scholar
Wallenstein, S. & Neff, N. (1987) An approximation for the distribution of the scan statistic. Statistics in Medicine, 6, 197207.Google Scholar
Wilkinson, G. & Smeeton, N. (1987) The repetition of parasuicide in Edinburgh 1980–1981. Social Psychiatry, 22, 1419.Google Scholar
Submit a response

eLetters

No eLetters have been published for this article.