Seasonal Differences in the Day-of-the-Week Pattern of Suicide in Queensland, Australia
Various temporal patterns of suicide events, according to time of day, day of week, month and season, have been identified. However, whether different dimensions of time interact has not been investigated. Using suicide data from Queensland, Australia, this study aims to verify if there is an intera...
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doaj-f5806d3bcadf4745913b90be5313b8be2020-11-25T01:01:34ZengMDPI AGInternational Journal of Environmental Research and Public Health1660-46012013-07-011072825283310.3390/ijerph10072825Seasonal Differences in the Day-of-the-Week Pattern of Suicide in Queensland, AustraliaDiego De LeoChi-kin LawVarious temporal patterns of suicide events, according to time of day, day of week, month and season, have been identified. However, whether different dimensions of time interact has not been investigated. Using suicide data from Queensland, Australia, this study aims to verify if there is an interaction effect between seasonal and day-of-the-week distribution. Computerized suicide data from the Queensland Suicide Register for those aged 15+ years were analyzed according to date of death, age, sex and geographic location for the period 1996–2007. To examine seasonal differences in day-of-the-week pattern of suicide, Poisson regressions were used. A total of 6,555 suicides were recorded over the whole study period. Regardless of the season, male residents of Brisbane had a significantly marked day-of-the-week pattern of suicide, with higher rates between Mondays and Thursdays. When seasonal differences were considered, male residents in Brisbane showed a Monday peak in summer and a wave-shape pattern with a peak on Thursday and a nadir on Saturdays in winter. Whilst males have distinctive peaks in terms of days of the week for summer and winter, females do not show similar patterns.http://www.mdpi.com/1660-4601/10/7/2825day of the weekseasontemporal variationsuicideAustraliaQueensland |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Diego De Leo Chi-kin Law |
spellingShingle |
Diego De Leo Chi-kin Law Seasonal Differences in the Day-of-the-Week Pattern of Suicide in Queensland, Australia International Journal of Environmental Research and Public Health day of the week season temporal variation suicide Australia Queensland |
author_facet |
Diego De Leo Chi-kin Law |
author_sort |
Diego De Leo |
title |
Seasonal Differences in the Day-of-the-Week Pattern of Suicide in Queensland, Australia |
title_short |
Seasonal Differences in the Day-of-the-Week Pattern of Suicide in Queensland, Australia |
title_full |
Seasonal Differences in the Day-of-the-Week Pattern of Suicide in Queensland, Australia |
title_fullStr |
Seasonal Differences in the Day-of-the-Week Pattern of Suicide in Queensland, Australia |
title_full_unstemmed |
Seasonal Differences in the Day-of-the-Week Pattern of Suicide in Queensland, Australia |
title_sort |
seasonal differences in the day-of-the-week pattern of suicide in queensland, australia |
publisher |
MDPI AG |
series |
International Journal of Environmental Research and Public Health |
issn |
1660-4601 |
publishDate |
2013-07-01 |
description |
Various temporal patterns of suicide events, according to time of day, day of week, month and season, have been identified. However, whether different dimensions of time interact has not been investigated. Using suicide data from Queensland, Australia, this study aims to verify if there is an interaction effect between seasonal and day-of-the-week distribution. Computerized suicide data from the Queensland Suicide Register for those aged 15+ years were analyzed according to date of death, age, sex and geographic location for the period 1996–2007. To examine seasonal differences in day-of-the-week pattern of suicide, Poisson regressions were used. A total of 6,555 suicides were recorded over the whole study period. Regardless of the season, male residents of Brisbane had a significantly marked day-of-the-week pattern of suicide, with higher rates between Mondays and Thursdays. When seasonal differences were considered, male residents in Brisbane showed a Monday peak in summer and a wave-shape pattern with a peak on Thursday and a nadir on Saturdays in winter. Whilst males have distinctive peaks in terms of days of the week for summer and winter, females do not show similar patterns. |
topic |
day of the week season temporal variation suicide Australia Queensland |
url |
http://www.mdpi.com/1660-4601/10/7/2825 |
work_keys_str_mv |
AT diegodeleo seasonaldifferencesinthedayoftheweekpatternofsuicideinqueenslandaustralia AT chikinlaw seasonaldifferencesinthedayoftheweekpatternofsuicideinqueenslandaustralia |
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