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Secular trends in smoking during pregnancy according to income and ethnic group: four population-based perinatal surveys in a Brazilian city
OBJECTIVES: To assess socioeconomic and ethnic inequalities in smoking during pregnancy over three decades (1982–2011). SETTING: Population-based study in Pelotas City, Brazil. PARTICIPANTS: All urban women giving birth in the city hospitals in 1982 (5909), 1993 (5223) and 2004 (4201), plus all urba...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group
2016
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4746479/ https://www.ncbi.nlm.nih.gov/pubmed/26832432 http://dx.doi.org/10.1136/bmjopen-2015-010127 |