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- Hadlaczky, GergöKarolinska Institutet (author)
Increased suicides during new year, but not during Christmas in Sweden : analysis of cause of death data 2006-2015
- Article/chapterEnglish2018
Publisher, publication year, extent ...
- 2017-09-22
- Informa UK Limited,2018
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:su-151192
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-151192URI
- https://doi.org/10.1080/08039488.2017.1378716DOI
- http://kipublications.ki.se/Default.aspx?queryparsed=id:137283972URI
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- Language:English
- Summary in:English
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- Background: Previous studies have investigated the impact of the Christmas and New Year holiday on suicide rates. However, no such data has yet been published on Swedish suicides.Aims: To examine the occurrence of suicides on these dates in Sweden between 2006 and 2015.Methods: The suicide count for each date between December 15th and January 15th was obtained from the Swedish cause of death registry. The observations were transformed to Z-scores to enable calculation of p-values.Results: A small but non-significant decrease in suicides was observed on Christmas and New Year’s Eve. A significant spike was found on New Year’s Day (NYD) (Z = 3.40; p < .001), and these excess suicide occurred mainly among men aged 15–24 and 45–64. However, the number of suicides were somewhat lower than expected on the 31st of December (Z = −1.58; p = .115).Discussion: The noted increase in suicide on NYD is in line with previous research from other countries. However, the decrease in suicides on the day before NYD suggests a delay rather than a spontaneous increase of suicides. Possible mechanisms to explain this phenomenon are discussed, such as the “broken promise effect”, increased alcohol consumption, or lower help-seeking and accessibility to care.
Subject headings and genre
- SAMHÄLLSVETENSKAP Psykologi hsv//swe
- SOCIAL SCIENCES Psychology hsv//eng
- MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Psykiatri hsv//swe
- MEDICAL AND HEALTH SCIENCES Clinical Medicine Psychiatry hsv//eng
- MEDICIN OCH HÄLSOVETENSKAP Hälsovetenskap Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi hsv//swe
- MEDICAL AND HEALTH SCIENCES Health Sciences Public Health, Global Health, Social Medicine and Epidemiology hsv//eng
- Suicide
- Sweden
- holidays
- Christmas
- new year
- alcohol use
- prevention
- broken promise effect
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- Hökby, SebastianKarolinska Institutet,Stockholms universitet,Psykologiska institutionen (author)
- Karolinska InstitutetPsykologiska institutionen (creator_code:org_t)
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- In:Nordic Journal of Psychiatry: Informa UK Limited72:1, s. 72-740803-94881502-4725
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