title: Romantic partner influences on prenatal and postnatal substance use in young couples.
abstract: Alcohol, tobacco and other drug use (ATOD) among adolescent and young adult couples during prenatal and postnatal periods is a significant public health problem, and couples may mutually influence each others' ATOD behaviors.
  
  
  
  The current study investigated romantic partner influences on ATOD among adolescent and young adult couples during pregnancy and postnatal periods.
  
  
  
  Participants were 296 young couples in the second or third trimester of pregnancy recruited from OBGYN clinics between July 2007 and February 2011. Participants completed questionnaires at prenatal, 6 months postnatal, and 12 months postnatal periods. Dyadic data analysis was conducted to assess the stability and interdependence of male and female ATOD over time.
  
  
  
  Male partner cigarette and marijuana use in the prenatal period significantly predicted female cigarette and marijuana use at 6 months postnatal (b = 0.14, P < 0.01; b = 0.11, P < 0.05, respectively). Male partner marijuana use at 6 months postnatal also significantly predicted female marijuana use at 12 months postnatal (b = 0.11, P < 0.05). Additionally, significant positive correlations were found for partner alcohol and marijuana at pre-pregnancy and 6 months postnatal, and partner cigarette use at pre-pregnancy, 6 months and 12 months postnatal.
  
  
  
  Partner ATOD among young fathers, particularly during the prenatal period, may play an important role in subsequent ATOD among young mothers during postnatal periods.
authors.affiliation: Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06519, USA.
authors.forename: Alethea
authors.initials: A
authors.lastname: Desrosiers
authors.affiliation: National Center on Addiction and Substance Abuse, Columbia University, New York, NY, USA.
authors.forename: Azure
authors.initials: A
authors.lastname: Thompson
authors.affiliation: School of Public Health, City University of New York, New York, NY, USA.
authors.forename: Anna
authors.initials: A
authors.lastname: Divney
authors.affiliation: Department of Obstetrics and Gynecology, Yale School of Medicine, New Haven, CT, USA.
authors.forename: Urania
authors.initials: U
authors.lastname: Magriples
authors.affiliation: Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06519, USA.
authors.forename: Trace
authors.initials: T
authors.lastname: Kershaw
mesh_terms: D000293:Adolescent; D000328:Adult; D003237:Connecticut; D005220:Fathers / Q000523:psychology*; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D009035:Mothers / Q000523:psychology*; D011181:Postnatal Care; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D011295:Prenatal Care; D012747:Sexual Partners / Q000523:psychology*; D012907:Smoking / Q000453:epidemiology / Q000523:psychology; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000523:psychology*; D011795:Surveys and Questionnaires; D055815:Young Adult
keywords: public health; relationships; young people
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