Document Detail

Maternal incarceration during pregnancy and infant birthweight.
MedLine Citation:
PMID:  20422272     Owner:  NLM     Status:  MEDLINE    
The primary aim of this study was to examine whether incarceration during pregnancy is associated with infant birthweight. Our second objective was to illustrate the sensitivity of the relationship between infant birthweight and exposure to prison during pregnancy to the method used to measure and model this exposure. The data consisted of delivery records of 360 infants born between January 1, 2002 and December 31, 2004 to pregnant women incarcerated in Texas state prisons. Weighted linear regression, adjusting for potential confounders, was used to model infant birth weight as a function of: (1) the number of weeks of pregnancy spent incarcerated (Method A) and (2) the gestational age at admission to prison (Method B), respectively. These two exposure measures were modeled as continuous variables with and without linear spline transformation. The association between incarceration during pregnancy and infant birthweight appears strongest among infants born to women incarcerated during the first trimester and very weak to non-existent among infants born to women incarcerated after the first trimester. With Method A, but not Method B, linear spline transformation had a distinct effect on the shape of the relationship between exposure and outcome. The association between exposure to prison during pregnancy and infant birth weight appears to be positive only among women incarcerated during the first trimester of pregnancy and the relation is sensitive to the method used to measure and model exposure to prison during pregnancy.
David L Howard; Donna Strobino; Susan G Sherman; Rosa M Crum
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Maternal and child health journal     Volume:  15     ISSN:  1573-6628     ISO Abbreviation:  Matern Child Health J     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-04-20     Completed Date:  2011-08-29     Revised Date:  2012-03-08    
Medline Journal Info:
Nlm Unique ID:  9715672     Medline TA:  Matern Child Health J     Country:  United States    
Other Details:
Languages:  eng     Pagination:  478-86     Citation Subset:  IM    
Medical Scientist Training Program, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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MeSH Terms
Cross-Sectional Studies
Infant, Low Birth Weight*
Infant, Newborn
Pregnancy Complications
Young Adult

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

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