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A genetic instrumental variables analysis of the effects of prenatal smoking on birth weight: evidence from two samples.
Biodemography Soc Biol ; 57(1): 3-32, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-21845925
ABSTRACT
There is a large literature showing the detrimental effects of prenatal smoking on birth and childhood health outcomes. It is somewhat unclear though, whether these effects are causal or reflect other characteristics and choices by mothers who choose to smoke that may also affect child health outcomes or biased reporting of smoking. In this paper we use genetic markers that predict smoking behaviors as instruments to address the endogeneity of smoking choices in the production of birth and childhood health outcomes. Our results indicate that prenatal smoking produces more dramatic declines in birth weight than estimates that ignore the endogeneity of prenatal smoking, which is consistent with previous studies with non-genetic instruments. We use data from two distinct samples from Norway and the United States with different measured instruments and find nearly identical results. The study provides a novel application that can be extended to study several behavioral impacts on health and social and economic outcomes.
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Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Efeitos Tardios da Exposição Pré-Natal / Peso ao Nascer / Fumar Tipo de estudo: Guia de prática clínica Aspecto clínico: Predição / Prognóstico Limite: Adolescente / Feminino / Humanos / Lactente / Masculino / Gravidez País/Região como assunto: América do Norte / Europa Idioma: Inglês Revista: Biodemography Soc Biol Assunto da revista: Biologia / Ciências Sociais / Epidemiologia Ano de publicação: 2011 Tipo de documento: Artigo País de afiliação: Estados Unidos