Age- and sex-specific cycles in United States suicides, 1973 to 1985.

McCleary, Richard; Chew, Kenneth S. Y.; Hellsten, J. J.; Flynn-Bransford, M.

doi:10.2105/ajph.81.11.1494

Cited by 64 publications

(45 citation statements)

References 3 publications

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“…A similar bimodal distribution with peaks in spring and autumn was also shown to be present in France by Souetre et al [13] , whereas Thompson [14] found an autumn peak for young males in Canada. McCleary et al [17] reported a fall/winter peak among young adolescents under 16 years of age in the USA. Peaks in spring/ summer have also been observed in South Africa [18] and Italy [22] .…”

Section: Discussionmentioning

confidence: 99%

“…Näyhä [11] suggested that the autumn peak in adolescent suicides might be due to the intensification of social life after the summer vacations, which exposes people to stressful situations. Chew and McCleary [17,35] emphasized the congruence of the autumn peak in suicides among under 16-year-old males and the academic year. They, too, conclude that those poorly integrated into academic society will prefer suicide, when academic life becomes too intense.…”

Section: Discussionmentioning

confidence: 99%

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Autumn Peak in Shooting Suicides of Children and Adolescents from Northern Finland

Lahti¹,

Räsänen²,

Karvonen³

et al. 2006

Neuropsychobiology

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Suicide is one of the leading causes of death among adolescents worldwide. Studies on the seasonal pattern of youth suicides are rare and the results are very contradictory and heterogeneous. Generally, suicide methods affect the pattern of suicide seasonality. Shooting is the most common suicide method among Finnish adolescents. We investigated whether shooting suicides of victims aged less than 18 years are correlated with a specific period of the year. Also, the seasonal pattern of shooting suicides in adolescents was compared with that of adult victims. Our data comprised 42 adolescent suicide victims and, for comparison, 1,926 adult suicide victims over the years 1988 to 2004 from Northern Finland.Of these, 59.5% (n = 25) of the adolescents and 28.8% (n = 554) of the adults had committed suicide by shooting.We observed that shooting suicides among the under-aged showed a significant peak in autumn (ratio 2.70, 95% CI: 1.97–3.42), while those of adult victims peaked in spring (ratio 1.19, 95% CI: 1.05–1.35). The monthly pattern of suicides correlated significantly with the mean duration of daily sunshine hours (trailing by 3 months) in the under-aged (r = 0.67, p = 0.016), but not in the adults (r = 0.06, p = 0.854). The role of firearm availability, psychosocial factors such as start of the school year, and some biological factors are discussed.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Autumn Peak in Shooting Suicides of Children and Adolescents from Northern Finland

Lahti¹,

Räsänen²,

Karvonen³

et al. 2006

Neuropsychobiology

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show abstract

“…While males may predominate in terms of numbers, as a choice suicidal drowning is favoured by females 50 years of age and older in almost all available studies. Seasonal variations in drowning was evident in both sexes with increased frequency in March, April and May not dissimilar to studies from Belgium (Maes et al, 1993), the United States (McCleary et al, 1991) and in Cheshire, UK (Salib and Gray, 1997) but unlike Lunetta et al (2003) who reported higher frequency of drowning in the cold season in Finland.…”

Section: Interpretation Of the Findingsmentioning

confidence: 46%

Trends in suicide by drowning in the elderly in England and Wales 1979–2001

Salib

2005

Int J Geriat Psychiatry

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The high rate of open verdicts in elderly drowning over the study period and compared to any other method of fatal self harm in England and Wales confirms the difficulties in reaching a firm conclusion in drowning death. Therefore combining suicide and all undetermined deaths in drowning as a matter of course, in nationally collected statistics, may result in grossly exaggerated rates and misleading trends in suicidal drowning. Suicide by drowning is probably not amenable to prevention and although the elderly are often thought to benefit more from suicide prevention than younger adults, the study findings seem to suggest that this is not likely to be the case in drowning.

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“…• The paper by McCleary et al [10] was preceded by a paper by MacMahon [9]. Although it does not give monthly data by age-group, it is nevertheless of interest because it gives the monthly pattern in 1972-1978 that is to say some 30 years earlier than the 1999-2007 data represented in Fig.…”

Section: Complementary Observationsmentioning

confidence: 99%

“…9 For some reason, the age-group > 90 is not given in 2005 and 2008. That is why (when we need all 8 years) we will limit ourselves to 15 age-groups 10. On 15 August 2014 the address was the following: http://www.cdc.gov/nchs/nvss/mortality/gmwk306.htm 11.…”

mentioning

confidence: 99%

How can one explain changes in the monthly pattern of suicide?

Roehner

2015

Physica A: Statistical Mechanics and its Applications

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International audienceThe monthly pattern of suicides has remained a puzzle ever since it was discovered in the second half of the 19th century. In this paper we intend to “explain” not the pattern itself but rather its changes across countries and in the course of time.First, we show that the fairly common idea according to which this pattern is decaying in “modern” societies is not altogether true. For instance, around 2000, in well urbanized countries like South Korea or Spain this pattern was still as strong as it was in France (and other European countries) in the late 19th century.The method that we use in order to make some progress in our understanding is the time-honored Cartesian approach of breaking up the problem under consideration “into as many parts as might be necessary to solve it”. More specifically, we try two separations of monthly suicides into simpler components: (i) according to suicide methods and (ii) according to age-groups. These separations rely on the introduction of what we call “elementary monthly profiles”.The first separation points out the key-role of hanging and drowning. The second shows the crucial role of the 15–20 and 65+65+ age-groups.Then, we present a number of cases in which age-group decomposition provides adequate predictions. It turns out that the cases in which the predictions do not work are newly urbanized countries. The discrepancies may be due to a memory effect which induces a time-lag extending over one or two generations.Finally, in the light of the new results presented in the present paper, we re-examine the theory proposed by Emile Durkheim

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Age- and sex-specific cycles in United States suicides, 1973 to 1985.

Cited by 64 publications

References 3 publications

Autumn Peak in Shooting Suicides of Children and Adolescents from Northern Finland

Autumn Peak in Shooting Suicides of Children and Adolescents from Northern Finland

Trends in suicide by drowning in the elderly in England and Wales 1979–2001

How can one explain changes in the monthly pattern of suicide?

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