Suicides during the Swedish midsummer holiday: analysis of cause of death data 1980-2018

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Hökby, SebastianKarolinska Institutet (författare)

Suicides during the Swedish midsummer holiday : analysis of cause of death data 1980-2018

Artikel/kapitelEngelska2021

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2021-04-02
Informa UK Limited,2021
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LIBRIS-ID:oai:DiVA.org:su-193114
https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-193114URI
https://doi.org/10.1080/08039488.2021.1900388DOI
http://kipublications.ki.se/Default.aspx?queryparsed=id:146368323URI

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Språk:engelska
Sammanfattning på:engelska

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Ämneskategori:art swepub-publicationtype

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Introduction Previous studies have demonstrated increased suicide rates on holidays such as New Year, nationally and internationally. Comparable to New Year's Eve, Swedish Midsummer is a major holiday, linked to high levels of alcohol consumption in the population. We, therefore, hypothesized that suicides and deaths with undetermined intent would increase during the Midsummer celebration. Methods We used a retrospective death registry design to investigate all suicides that occurred on Midsummer's Eve (ME), Midsummer's Day (MD) and 28 adjacent days (AD) during 1980-2018. Data were stratified by diagnosis type, sex and age, and was analyzed with paired t-tests, Poisson regression, and time-series charts with 95% confidence intervals. Results During the 30-day investigation period, the observed average was 4.3 deaths per day (23.3% cases with undetermined intent). ME, but not MD, was associated with significantly fewer suicides compared to AD (-1.08 deaths, p < .01). ME, but not MD, was simultaneously associated with more deaths with undetermined intent (+0.58 deaths, p = .007). No moderating sex or age effects were found. Descriptive statistics showed that poisonings, drownings and traffic-related injuries were common among the undetermined ME cases. Discussion The study found that suicide decreases and deaths with undetermined intent increases on ME. The findings are interpreted considering that substance use may affect both suicidal intentions and diagnosis classifications. Social and cultural support and holiday anticipations might also account for suicidal behaviors on ME.

Ämnesord och genrebeteckningar

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
undetermined intent
midsummer
holiday
alcohol use
Psychology
psykologi

Biuppslag (personer, institutioner, konferenser, titlar ...)

Westerlund, JoakimStockholms universitet,Kognitiv psykologi,Stockholm Health Care Services, Sweden(Swepub:su)jwest (författare)
Blazeyska, Bianca (författare)
Hadlaczky, GergoKarolinska Institutet (författare)
Karolinska InstitutetKognitiv psykologi (creator_code:org_t)

Sammanhörande titlar

Ingår i:Nordic Journal of Psychiatry: Informa UK Limited75:7, s. 487-4930803-94881502-4725

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Av författaren/redakt...: Hökby, Sebastian; Westerlund, Joak ...; Blazeyska, Bianc ...; Hadlaczky, Gergo

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MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Klinisk medicin; och Psykiatri

MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Hälsovetenskap; och Folkhälsovetensk ...

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Av lärosätet: Stockholms universitet; Karolinska Institutet

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