Titre :
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The Association Between Living Through a Prolonged Economic Depression and the Male : Female Birth Ratio-A Longitudinal Study From Cuba, 1960-2008. (2011)
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Auteurs :
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Silvia-Josefina VENERO FERNANDEZ ;
John BRITTON ;
Andrew-W FOGARTY ;
Ramon SUAREZ MEDINA ;
National Institute of Hygiene. Epidemiology. And Microbiology. Havana City. CUB
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Type de document :
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Article
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Dans :
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American journal of epidemiology (vol. 174, n° 12, 2011)
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Pagination :
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1327-1331
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Langues:
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Anglais
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Mots-clés :
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Etat dépressif
;
Association
;
Naissance
;
Cuba
;
Epidémiologie
;
Antilles
;
Amérique
;
Amérique centrale
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Résumé :
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[BDSP. Notice produite par INIST-CNRS EpF9R0x8. Diffusion soumise à autorisation]. The Trivers-Willard hypothesis suggests that populations respond to scarcity by decreasing the ratio of males to females at livebirth. Cuba experienced an extreme economic depression in the 1990s called the "special period." Using time-series analysis, the authors studied the impact of this event on the male : female sex ratio at birth in Cuba from 1960 to 2008. From 1990 to 1993, the per capita gross domestic product in Cuba decreased by 36 %. By use of a definition of the special period from 1991 to 1998, there was a prolonged increase in the male : female ratio of livebirths during this period of economic depression (P
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