| Seasonality of suicides: environmental, sociological and biological covariations. | |
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MedLine Citation:
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PMID: 2960714 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The monthly rates of completed suicides in France from 1978 until 1982 were analyzed. The seasonal variations of environmental (daylight and sunlight durations, mean temperature, geomagnetism), sociological (unemployment, deaths of all causes, birth and conception rates), and biological (melatonin, cortisol and serotonin circannual rhythms) factors were compared to the seasonal patterns of suicides. A clear seasonal variation (with peaks in May and September) in suicidal behavior was detected. These patterns tended to differ as a function of age (bimodal in young, unimodal in old people). The component analysis clearly pointed out that seasonal patterns of suicides may be considered as the sum of two components, unimodal and bimodal. Almost similar covariations were found between the main seasonal (unimodal) component of suicides and environmental (daylight duration and mean monthly temperature) or sociological factors whereas the secondary component was more correlated to variations in environmental factors and, to some extent, to biological parameters. |
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Authors:
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E Souêtre; E Salvati; J L Belugou; P Douillet; T Braccini; G Darcourt |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of affective disorders Volume: 13 ISSN: 0165-0327 ISO Abbreviation: J Affect Disord Publication Date: 1987 Nov-Dec |
Date Detail:
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Created Date: 1988-01-07 Completed Date: 1988-01-07 Revised Date: 2009-09-28 |
Medline Journal Info:
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Nlm Unique ID: 7906073 Medline TA: J Affect Disord Country: NETHERLANDS |
Other Details:
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Languages: eng Pagination: 215-25 Citation Subset: IM |
Affiliation:
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Clinique de psychiatrie et de psychologie médicale, Hôpital Pasteur, Nice, France. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Cross-Sectional Studies Female France Hormones / blood* Humans Male Middle Aged Risk Factors Seasons* Social Environment* Socioeconomic Factors Suicide / epidemiology* |
| Chemical | |
Reg. No./Substance:
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0/Hormones |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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