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[Household smoking and respiratory disease in under-five children]

Regina M V Gonçalves-Silva1, Joaquim G Valente, Márcia G F Lemos-Santos

  • 1Faculdade de Nutrição, Universidade Federal de Mato Grosso, Cuiabá, Brazil. reveras@uol.com.br

Cadernos De Saude Publica
|April 4, 2006
PubMed

Insights

Environmental tobacco smoke exposure significantly increases respiratory illness risk in children. Children from lower socioeconomic backgrounds and those exposed to household smoking face a higher risk of developing asthma and bronchitis.

Area of Science:

  • Pediatrics
  • Environmental Health
  • Respiratory Medicine

Context:

  • Environmental tobacco smoke (ETS) is a known respiratory irritant in young children.
  • Understanding factors contributing to childhood respiratory diseases is crucial for public health interventions.
  • Identifying primary sources of ETS exposure within households is essential for targeted prevention strategies.

Purpose:

  • To investigate factors associated with respiratory disease in children.
  • To determine the primary source of environmental tobacco smoke exposure in the household.
  • To analyze the relationship between socioeconomic factors and respiratory morbidity.

Summary:

  • A cross-sectional study of 2,037 children revealed a 59.9% prevalence of respiratory symptoms in households with smokers.
  • Asthma and bronchitis showed the strongest association with smoking exposure.
  • Multivariate analysis identified socioeconomic status, maternal schooling, occupation, neighborhood, child's age and sex, breastfeeding, and household smoking as significant factors associated with asthma/bronchitis.

Impact:

  • Children with lower socioeconomic status and exposure to household smoking exhibit an elevated risk of respiratory disease.
  • Findings highlight the need for targeted public health campaigns to reduce ETS exposure in vulnerable populations.
  • This research provides evidence for policy development aimed at protecting children's respiratory health from environmental tobacco smoke.

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