Season of birth and anorexia nervosa

Our aim was to investigate whether there is a season-of-birth effect in anorexia nervosa. In a meta-analysis, we compared the distribution of anorexia births (n = 1293) from four independent UK cohorts to that of the general UK population (n = 21 914 037), using both the Walter & Elwood seasonal...

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Detalles Bibliográficos
Autores principales: Disanto, Giulio, Handel, Adam E., Para, Andrea E., Ramagopalan, Sreeram V., Handunnetthi, Lahiru
Formato: Texto
Lenguaje:English
Publicado: Royal College Of Psychiatrists 2011
Materias:
Short Reports
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3093677/
https://www.ncbi.nlm.nih.gov/pubmed/21415047
http://dx.doi.org/10.1192/bjp.bp.110.085944
Descripción
Sumario:Our aim was to investigate whether there is a season-of-birth effect in anorexia nervosa. In a meta-analysis, we compared the distribution of anorexia births (n = 1293) from four independent UK cohorts to that of the general UK population (n = 21 914 037), using both the Walter & Elwood seasonality and chi-squared tests. We found an excess of anorexia births from March to June (odds ratio (OR) = 1.15, 95% CI 1.03–1.29, P = 0.012) and a deficit from September to October (OR = 0.8, 95% CI 0.68–0.94, P = 0.007). These results indicate that environmental risk factor(s) are operative during gestation or immediately after birth and their identification will be important for disease prevention strategies.

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