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Dose response association of pregnancy cigarette smoke exposure, childhood stature, overweight and obesity.
MedLine Citation:
PMID:  21126981     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND: The combined dose response effects of pregnancy cigarette smoke exposure on childhood overweight, obesity and short stature have not been reported.
METHOD: A community based cross-sectional survey of 3038 children aged 5-11 years from 15 primary schools in Merseyside, UK. Self-completed parental questionnaires were used for family characteristics, socio-economic status and parental smoking practices. Children were measured for height and weight and z-scores calculated for parental smoking categories.
RESULTS: Of 689 (34.0%) mothers who smoked during pregnancy 50.5% smoked ten or more cigarettes daily (heavy smokers). Children of maternal non-smokers had prevalence estimates for overweight, obesity and short stature of 25, 9.6 and 3.2%, respectively. Prevalence estimates were higher in children of mothers who were heavy smokers during pregnancy, 31.5% (P = 0.001), 15.6% (P < 0.001) and 5.5% (P = 0.001), respectively. Mean height for age z-scores was lower among heavy maternal (P < 0.001) and paternal smokers (P < 0.01) compared to non-smokers. Childhood overweight, obesity or short stature were all associated with heavy maternal smoking during pregnancy (all P < 0.001). Mean body mass index (BMI) z-scores were higher in boys of mothers who smoked (P = 0.043). The adjusted odds ratio for short stature in children of heavy maternal smokers was 2.76 (95% CI 1.21-6.33) and 4.28 (1.37-13.37) if both parents were heavy smokers. The adjusted OR for obesity in children of maternal smokers was 1.61(1.19-2.18). The population attributable risk for short stature was 8.8% (1.1-22.7) for heavy maternal smokers.
CONCLUSION: A dose-response association was observed between pregnancy smoking exposure, short stature and obesity.
Authors:
Gibby Koshy; Ali Delpisheh; Bernard J Brabin
Publication Detail:
Type:  Journal Article     Date:  2010-12-01
Journal Detail:
Title:  European journal of public health     Volume:  21     ISSN:  1464-360X     ISO Abbreviation:  Eur J Public Health     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-05-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9204966     Medline TA:  Eur J Public Health     Country:  England    
Other Details:
Languages:  eng     Pagination:  286-91     Citation Subset:  IM    
Affiliation:
1 Child and Reproductive Health Group, Liverpool School of Tropical Medicine, Liverpool, UK.
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