Document Detail

Measuring prenatal secondhand smoke exposure in mother-baby couplets.
MedLine Citation:
PMID:  20038509     Owner:  NLM     Status:  MEDLINE    
INTRODUCTION: Pregnant women often underreport their smoking status and extent of secondhand smoke (SHS) exposure. Biomarker confirmation is the recommended method to assess smoking behaviors and SHS exposure in both mothers and infants.
OBJECTIVES: The primary aims are to (a) examine the relationship between smoking behaviors and SHS exposure in mother-baby couplets using maternal and infant hair nicotine and maternal urine cotinine analyses and (b) determine whether there is an association between maternal and infant hair nicotine samples obtained shortly after birth.
DISCUSSION: A cross-sectional study with a multiethnic sample of 210 mother-baby couplets assessing SHS exposure.
RESULTS: The level of maternal hair nicotine (MHN) was significantly different among three groups: nonsmoking, nonsmoking/passive exposed, and smoking (p < .0001), with nonsmoking and nonexposed women having the lowest level. Urine cotinine was strongly associated with self-reported smoking status (rho = .88; p < .0001). Maternal and infant hair nicotine were correlated, although MHN correlated more strongly with smoking status (rho = .46, p < .0001) than infant hair nicotine (rho = .39, p < .0001).
CONCLUSIONS: MHN was a more precise biomarker of prenatal SHS exposure than infant hair nicotine; mothers' urine cotinine was strongly correlated with self-reported smoking status.
Kristin B Ashford; Ellen Hahn; Lynne Hall; Mary K Rayens; Melody Noland; Rebecca Collins
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2009-12-27
Journal Detail:
Title:  Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco     Volume:  12     ISSN:  1469-994X     ISO Abbreviation:  Nicotine Tob. Res.     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-02-04     Completed Date:  2010-05-05     Revised Date:  2014-07-30    
Medline Journal Info:
Nlm Unique ID:  9815751     Medline TA:  Nicotine Tob Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  127-35     Citation Subset:  IM    
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MeSH Terms
Biological Markers / analysis,  urine
Cotinine / analysis,  urine
Cross-Sectional Studies
Environmental Monitoring / methods*
Hair / chemistry
Infant, Newborn
Inhalation Exposure / analysis*,  prevention & control
Maternal Exposure* / adverse effects
Maternal-Fetal Exchange
Prenatal Exposure Delayed Effects / chemically induced,  diagnosis,  urine*
Tobacco Smoke Pollution / analysis*,  prevention & control
Young Adult
Grant Support
Reg. No./Substance:
0/Biological Markers; 0/Tobacco Smoke Pollution; K5161X06LL/Cotinine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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