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Seasonality in Violent and Nonviolent Methods of Suicide Attempts: A Cross-Sectional Study on Systematic Registry Data
Little attention has been paid to seasonality in suicide in Iran. Time pattern in suicide deaths and suicide attempts for some related factors such as gender, mental disorders has been found. In present study, we focus on suicide methods and the association with seasonality and other putative covari...
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Published in: | Acta medica Iranica 2017-08, Vol.55 (8), p.507-513 |
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description | Little attention has been paid to seasonality in suicide in Iran. Time pattern in suicide deaths and suicide attempts for some related factors such as gender, mental disorders has been found. In present study, we focus on suicide methods and the association with seasonality and other putative covariates such as gender. Through a cross-sectional study, overall identified suicide attempts and suicide deaths in the province of Ilam from 1 January 2010 and 31 December 2014 were enrolled. We used Edwards' test for test of seasonality in suicide methods. Seasonal effect (peak/trough seasons) and (deaths/attempts suicide) was explored by ratio statistics, the null hypothesis being that the attempted suicides in each method group are evenly distributed over a year. More suicide attempts by hanging 29.4% and self-immolation 41.4% were observed in spring and differ by season pattern in both genders. The overall distribution of suicides by violent and non-violent methods was (males x2=6.3, P=0.041, females x2=7.7, P=0.021) and (males x2=44.5, P=0.001, females x2=104.7, P=0.001), respectively. The peak and trough seasons was observed in taking medications and self-poisoning for spring and winter. Suicide with alcohol was no differ by season pattern (x2=1.0, P=0.460). Suicide in Ilam illustrates a significant seasonality for both violent and non-violent methods of suicide, in both genders, the two peaks were observed in spring and autumn for violent suicides, and spring and summer in non-violent suicides. |
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Time pattern in suicide deaths and suicide attempts for some related factors such as gender, mental disorders has been found. In present study, we focus on suicide methods and the association with seasonality and other putative covariates such as gender. Through a cross-sectional study, overall identified suicide attempts and suicide deaths in the province of Ilam from 1 January 2010 and 31 December 2014 were enrolled. We used Edwards' test for test of seasonality in suicide methods. Seasonal effect (peak/trough seasons) and (deaths/attempts suicide) was explored by ratio statistics, the null hypothesis being that the attempted suicides in each method group are evenly distributed over a year. More suicide attempts by hanging 29.4% and self-immolation 41.4% were observed in spring and differ by season pattern in both genders. The overall distribution of suicides by violent and non-violent methods was (males x2=6.3, P=0.041, females x2=7.7, P=0.021) and (males x2=44.5, P=0.001, females x2=104.7, P=0.001), respectively. The peak and trough seasons was observed in taking medications and self-poisoning for spring and winter. Suicide with alcohol was no differ by season pattern (x2=1.0, P=0.460). Suicide in Ilam illustrates a significant seasonality for both violent and non-violent methods of suicide, in both genders, the two peaks were observed in spring and autumn for violent suicides, and spring and summer in non-violent suicides.</description><identifier>ISSN: 0044-6025</identifier><identifier>EISSN: 1735-9694</identifier><identifier>PMID: 29034647</identifier><language>eng</language><publisher>Iran: Tehran University of Medical Sciences</publisher><subject>Adolescent ; Adult ; Age Factors ; Cross-Sectional Studies ; Female ; Humans ; Iran ; Iran - epidemiology ; Male ; Methods ; Middle Aged ; Nonviolence ; Registries ; Seasonal variations ; Seasonality ; Sex Factors ; Suicide ; Suicide - statistics & numerical data ; Suicide, Attempted - statistics & numerical data ; Suicides & suicide attempts ; Violence - statistics & numerical data ; Young Adult</subject><ispartof>Acta medica Iranica, 2017-08, Vol.55 (8), p.507-513</ispartof><rights>Copyright Tehran University of Medical Sciences 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/1958359495/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/1958359495?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,25753,37012,37013,44590,75126</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29034647$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Veisani, Yousef</creatorcontrib><creatorcontrib>Delpisheh, Ali</creatorcontrib><creatorcontrib>Sayehmiri, Kourosh</creatorcontrib><creatorcontrib>Moradi, Ghobad</creatorcontrib><creatorcontrib>Hassanzadeh, Jafar</creatorcontrib><title>Seasonality in Violent and Nonviolent Methods of Suicide Attempts: A Cross-Sectional Study on Systematic Registry Data</title><title>Acta medica Iranica</title><addtitle>Acta Med Iran</addtitle><description>Little attention has been paid to seasonality in suicide in Iran. Time pattern in suicide deaths and suicide attempts for some related factors such as gender, mental disorders has been found. In present study, we focus on suicide methods and the association with seasonality and other putative covariates such as gender. Through a cross-sectional study, overall identified suicide attempts and suicide deaths in the province of Ilam from 1 January 2010 and 31 December 2014 were enrolled. We used Edwards' test for test of seasonality in suicide methods. Seasonal effect (peak/trough seasons) and (deaths/attempts suicide) was explored by ratio statistics, the null hypothesis being that the attempted suicides in each method group are evenly distributed over a year. More suicide attempts by hanging 29.4% and self-immolation 41.4% were observed in spring and differ by season pattern in both genders. The overall distribution of suicides by violent and non-violent methods was (males x2=6.3, P=0.041, females x2=7.7, P=0.021) and (males x2=44.5, P=0.001, females x2=104.7, P=0.001), respectively. The peak and trough seasons was observed in taking medications and self-poisoning for spring and winter. Suicide with alcohol was no differ by season pattern (x2=1.0, P=0.460). Suicide in Ilam illustrates a significant seasonality for both violent and non-violent methods of suicide, in both genders, the two peaks were observed in spring and autumn for violent suicides, and spring and summer in non-violent suicides.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Age Factors</subject><subject>Cross-Sectional Studies</subject><subject>Female</subject><subject>Humans</subject><subject>Iran</subject><subject>Iran - epidemiology</subject><subject>Male</subject><subject>Methods</subject><subject>Middle Aged</subject><subject>Nonviolence</subject><subject>Registries</subject><subject>Seasonal variations</subject><subject>Seasonality</subject><subject>Sex Factors</subject><subject>Suicide</subject><subject>Suicide - statistics & numerical data</subject><subject>Suicide, Attempted - statistics & numerical data</subject><subject>Suicides & suicide attempts</subject><subject>Violence - statistics & numerical data</subject><subject>Young Adult</subject><issn>0044-6025</issn><issn>1735-9694</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>PIMPY</sourceid><sourceid>DOA</sourceid><recordid>eNpdkU1LHEEQhoeQEDfqX5AGL7kM9PeHt2UTE8Ek4KjXofpjtJfZ6XW6R5h_n1HXHHIqqnh46qXqQ7UiionaSMM_ViuMOa8lpuKo-pLzFmOmKVGfqyNqMOOSq1X13ATIaYA-lhnFAd3H1IehIBg8-p2G50P7K5TH5DNKHWqm6KIPaF1K2O1LvkBrtBlTznUTXIkvLtSUyc8oDaiZ80JBiQ7dhIeYyzijb1DgpPrUQZ_D6aEeV3eX3283P-vrPz-uNuvr2lOKSw2dDdy4gC1g1YGlHSVaEAui01pIrMEC48ovEEgrlNPYScewZB40I4wdV1dvXp9g2-7HuINxbhPE9nWQxocWxiVdH1qlwDjrtefLTmK4NcRTJ7QOmigj8OL6-ubaj-lpCrm0u5hd6HsYQppyS4wgQlImX9Dz_9BtmsblMq-UZsJwIxbq7EBNdhf8v3jv32F_AYFgjE0</recordid><startdate>201708</startdate><enddate>201708</enddate><creator>Veisani, Yousef</creator><creator>Delpisheh, Ali</creator><creator>Sayehmiri, Kourosh</creator><creator>Moradi, Ghobad</creator><creator>Hassanzadeh, Jafar</creator><general>Tehran University of Medical Sciences</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>CWDGH</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7X8</scope><scope>DOA</scope></search><sort><creationdate>201708</creationdate><title>Seasonality in Violent and Nonviolent Methods of Suicide Attempts: A Cross-Sectional Study on Systematic Registry Data</title><author>Veisani, Yousef ; Delpisheh, Ali ; Sayehmiri, Kourosh ; Moradi, Ghobad ; Hassanzadeh, Jafar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-d220t-afbe49ce0ba07fab2f21851ba5f885608aba347de49a6b57c80c6c3063da83133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Age Factors</topic><topic>Cross-Sectional Studies</topic><topic>Female</topic><topic>Humans</topic><topic>Iran</topic><topic>Iran - epidemiology</topic><topic>Male</topic><topic>Methods</topic><topic>Middle Aged</topic><topic>Nonviolence</topic><topic>Registries</topic><topic>Seasonal variations</topic><topic>Seasonality</topic><topic>Sex Factors</topic><topic>Suicide</topic><topic>Suicide - statistics & numerical data</topic><topic>Suicide, Attempted - statistics & numerical data</topic><topic>Suicides & suicide attempts</topic><topic>Violence - statistics & numerical data</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Veisani, Yousef</creatorcontrib><creatorcontrib>Delpisheh, Ali</creatorcontrib><creatorcontrib>Sayehmiri, Kourosh</creatorcontrib><creatorcontrib>Moradi, Ghobad</creatorcontrib><creatorcontrib>Hassanzadeh, Jafar</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection (ProQuest Medical & Health Databases)</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>Middle East & Africa Database</collection><collection>ProQuest Central</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>PML(ProQuest Medical Library)</collection><collection>Publicly Available Content Database (Proquest) (PQ_SDU_P3)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>MEDLINE - Academic</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Acta medica Iranica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Veisani, Yousef</au><au>Delpisheh, Ali</au><au>Sayehmiri, Kourosh</au><au>Moradi, Ghobad</au><au>Hassanzadeh, Jafar</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Seasonality in Violent and Nonviolent Methods of Suicide Attempts: A Cross-Sectional Study on Systematic Registry Data</atitle><jtitle>Acta medica Iranica</jtitle><addtitle>Acta Med Iran</addtitle><date>2017-08</date><risdate>2017</risdate><volume>55</volume><issue>8</issue><spage>507</spage><epage>513</epage><pages>507-513</pages><issn>0044-6025</issn><eissn>1735-9694</eissn><abstract>Little attention has been paid to seasonality in suicide in Iran. Time pattern in suicide deaths and suicide attempts for some related factors such as gender, mental disorders has been found. In present study, we focus on suicide methods and the association with seasonality and other putative covariates such as gender. Through a cross-sectional study, overall identified suicide attempts and suicide deaths in the province of Ilam from 1 January 2010 and 31 December 2014 were enrolled. We used Edwards' test for test of seasonality in suicide methods. Seasonal effect (peak/trough seasons) and (deaths/attempts suicide) was explored by ratio statistics, the null hypothesis being that the attempted suicides in each method group are evenly distributed over a year. More suicide attempts by hanging 29.4% and self-immolation 41.4% were observed in spring and differ by season pattern in both genders. The overall distribution of suicides by violent and non-violent methods was (males x2=6.3, P=0.041, females x2=7.7, P=0.021) and (males x2=44.5, P=0.001, females x2=104.7, P=0.001), respectively. The peak and trough seasons was observed in taking medications and self-poisoning for spring and winter. Suicide with alcohol was no differ by season pattern (x2=1.0, P=0.460). Suicide in Ilam illustrates a significant seasonality for both violent and non-violent methods of suicide, in both genders, the two peaks were observed in spring and autumn for violent suicides, and spring and summer in non-violent suicides.</abstract><cop>Iran</cop><pub>Tehran University of Medical Sciences</pub><pmid>29034647</pmid><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Adolescent Adult Age Factors Cross-Sectional Studies Female Humans Iran Iran - epidemiology Male Methods Middle Aged Nonviolence Registries Seasonal variations Seasonality Sex Factors Suicide Suicide - statistics & numerical data Suicide, Attempted - statistics & numerical data Suicides & suicide attempts Violence - statistics & numerical data Young Adult |
title | Seasonality in Violent and Nonviolent Methods of Suicide Attempts: A Cross-Sectional Study on Systematic Registry Data |
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