Secular trends in smoking during pregnancy according to income and ethnic group: Four Population-based perinatal surveys in a Brazilian City

Mariangela F. Silveira, Alicia Matijasevich, Ana Maria B Menezes, Bernardo L. Horta, Ina S. Santos, Aluisio J D Barros, Fernando C. Barros, Cesar G. Victora

Research output: Contribution to journalArticlepeer-review

Abstract

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 urban and rural women delivering from January 2011 to April 2012 (6275). Primary outcome: Self-reported smoking during pregnancy. Results: The prevalence of smoking during pregnancy fell from 35.7% in 1982 to 21.0% in 2011. In each survey, prevalence decreased with increasing income (p

Original languageEnglish (US)
Article numbere010127
JournalBMJ Open
Volume6
Issue number2
DOIs
StatePublished - 2016
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)

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