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Infant exposure to environmental tobacco smoke: Jordan University hospital-based study

E Badran1, A S Salhab, M Al-Jaghbir

  • 1Department of Paediatrics, Faculty of Medicine, University of Jordan, Amman, Jordan.

Eastern Mediterranean Health Journal = La Revue De Sante De La Mediterranee Orientale = Al-Majallah Al-Sihhiyah Li-Sharq Al-Mutawassit
|May 28, 2009
PubMed

Insights

Many infants experience passive smoking at home, with over a third showing detectable cotinine levels in urine. This highlights significant environmental tobacco smoke exposure in early life, necessitating protective measures for infants.

Area of Science:

  • Pediatrics
  • Environmental Health
  • Public Health

Background:

  • Environmental tobacco smoke (ETS) exposure is a significant health risk for infants.
  • Assessing ETS exposure in infants is crucial for understanding early-life health impacts.
  • Infants are particularly vulnerable to the adverse effects of secondhand smoke.

Purpose of the Study:

  • To quantify exposure to environmental tobacco smoke in infants during their first year of life.
  • To assess the prevalence of passive smoking in households with infants.
  • To measure biomarkers of tobacco smoke exposure in infants.

Main Methods:

  • Recruited 220 infants and their mothers from a pediatric outpatient clinic.
  • Collected maternal questionnaires on household smoking habits.
  • Analyzed infant urine samples for cotinine levels as a biomarker of exposure.

Main Results:

  • 60.0% of infants were reported to be exposed to passive smoking at home.
  • 36.4% of infants had detectable levels of cotinine in their urine (mean 7.1 ng/mL).
  • Saliva cotinine in neonate mothers suggested potential in utero exposure.

Conclusions:

  • A high proportion of infants are exposed to environmental tobacco smoke at home.
  • Biomarker evidence confirms significant exposure to secondhand smoke in infants.
  • Urgent recommendations are needed to protect infants from tobacco smoke exposure.

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