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Article: A comparison of seasonal variation between suicide deaths and attempts in Hong Kong SAR

TitleA comparison of seasonal variation between suicide deaths and attempts in Hong Kong SAR
Authors
KeywordsHarmonic analysis
Hong Kong SAR
Seasonality
Suicide attempts
Suicide deaths
Issue Date2004
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jad
Citation
Journal Of Affective Disorders, 2004, v. 81 n. 3, p. 251-257 How to Cite?
AbstractBackground: Seasonal variations in suicide deaths and attempted suicides have been reported for many countries. Recent research has suggested that seasonal patterns of suicide deaths have diminished considerably. The seasonality pattern between attempts and completed ones are not the same. This paper is the first one to examine seasonal variation between suicide deaths and attempts simultaneously. Method: Census and Statistics Department and the Hospital Authority provided mortality and morbidity data on suicides for the period 1997-2001 in Hong Kong SAR, respectively. Seasonal patterns of suicide deaths and attempts were examined by a harmonic analysis and a non-parametric chi-square test. Results: A significant seasonal variation was detected in suicide attempts with a markedly bi-seasonal pattern was found amongst females with a peak in May and October; only a cyclic pattern was observed for males with a peak in summer. The female attempters who used non-violent suicide methods contributed to the second peak in October. On the other hand, there was no evidence of significant differences in the seasonal distribution among the suicide deaths for males and females. Only a mild pattern was found amongst females involving in violent suicide deaths, while others can be treated as a random event and no significantly pattern was observed in our study. Overall, a significant difference in seasonal variation existed between suicide deaths and attempts (p-value<0.01). Conclusions: This study reinforces the findings that seasonal variation in suicide appears to be diminishing. Also, suicide attempters and completed suicides in Hong Kong seem to arise from two non-identical but overlapping groups in the community. © 2003 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/87792
ISSN
2015 Impact Factor: 3.57
2015 SCImago Journal Rankings: 1.927
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYip, PSFen_HK
dc.contributor.authorYang, KCTen_HK
dc.date.accessioned2010-09-06T09:34:29Z-
dc.date.available2010-09-06T09:34:29Z-
dc.date.issued2004en_HK
dc.identifier.citationJournal Of Affective Disorders, 2004, v. 81 n. 3, p. 251-257en_HK
dc.identifier.issn0165-0327en_HK
dc.identifier.urihttp://hdl.handle.net/10722/87792-
dc.description.abstractBackground: Seasonal variations in suicide deaths and attempted suicides have been reported for many countries. Recent research has suggested that seasonal patterns of suicide deaths have diminished considerably. The seasonality pattern between attempts and completed ones are not the same. This paper is the first one to examine seasonal variation between suicide deaths and attempts simultaneously. Method: Census and Statistics Department and the Hospital Authority provided mortality and morbidity data on suicides for the period 1997-2001 in Hong Kong SAR, respectively. Seasonal patterns of suicide deaths and attempts were examined by a harmonic analysis and a non-parametric chi-square test. Results: A significant seasonal variation was detected in suicide attempts with a markedly bi-seasonal pattern was found amongst females with a peak in May and October; only a cyclic pattern was observed for males with a peak in summer. The female attempters who used non-violent suicide methods contributed to the second peak in October. On the other hand, there was no evidence of significant differences in the seasonal distribution among the suicide deaths for males and females. Only a mild pattern was found amongst females involving in violent suicide deaths, while others can be treated as a random event and no significantly pattern was observed in our study. Overall, a significant difference in seasonal variation existed between suicide deaths and attempts (p-value<0.01). Conclusions: This study reinforces the findings that seasonal variation in suicide appears to be diminishing. Also, suicide attempters and completed suicides in Hong Kong seem to arise from two non-identical but overlapping groups in the community. © 2003 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jaden_HK
dc.relation.ispartofJournal of Affective Disordersen_HK
dc.rightsJournal of Affective Disorders. Copyright © Elsevier BV.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectHarmonic analysisen_HK
dc.subjectHong Kong SARen_HK
dc.subjectSeasonalityen_HK
dc.subjectSuicide attemptsen_HK
dc.subjectSuicide deathsen_HK
dc.titleA comparison of seasonal variation between suicide deaths and attempts in Hong Kong SARen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0165-0327&volume=81&issue=3&spage=251&epage=7&date=2004&atitle=A+comparison+of+seasonal+variation+between+suicide+deaths+and+attempts+in+Hong+Kong+SARen_HK
dc.identifier.emailYip, PSF: sfpyip@hku.hken_HK
dc.identifier.authorityYip, PSF=rp00596en_HK
dc.description.naturepostprint-
dc.identifier.doi10.1016/j.jad.2003.09.001en_HK
dc.identifier.pmid15337329-
dc.identifier.scopuseid_2-s2.0-4344632466en_HK
dc.identifier.hkuros110652en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-4344632466&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume81en_HK
dc.identifier.issue3en_HK
dc.identifier.spage251en_HK
dc.identifier.epage257en_HK
dc.identifier.isiWOS:000224134200007-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridYip, PSF=7102503720en_HK
dc.identifier.scopusauthoridYang, KCT=8917786300en_HK

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