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Early childhood predictors of early onset of smoking: a birth prospective study

Reza Hayatbakhsh1, Abdullah A Mamun, Gail M Williams

  • 1School of Population Health, University of Queensland, Herston Road, Herston, QLD 4006, Australia. m.hayatbakhsh@uq.edu.au

Addictive Behaviors
|June 19, 2013
PubMed

Insights

Early childhood risk factors like maternal depression and externalizing behaviors predict earlier smoking initiation in young adults. Identifying these predictors can help reduce adolescent tobacco use and its health consequences.

Area of Science:

  • Public Health
  • Epidemiology
  • Developmental Psychology

Background:

  • Early onset of smoking is linked to substance abuse and adverse health outcomes.
  • Understanding predictors of smoking initiation is crucial for prevention strategies.

Purpose of the Study:

  • To identify early life predictors of smoking onset in an Australian young adult cohort.
  • To examine the association between childhood factors and the age of smoking initiation.

Main Methods:

  • Prospective population-based birth cohort study (Mater Hospital and University of Queensland Study of Pregnancy).
  • Data from 3714 young adults at 21-year follow-up, with 3039 having early childhood data.
  • Multivariate Cox proportional hazard analysis used to identify predictors.

Main Results:

  • Nearly 50% of young adults reported ever smoking, with a mean age of first cigarette at 15.5 years.
  • Significant predictors of early smoking onset included maternal education, changes in marital status, maternal smoking/alcohol use, maternal depression, and child externalizing behaviors at age 5.

Conclusions:

  • Childhood exposure to personal and environmental risk factors increases the likelihood of early smoking initiation.
  • Identifying these pathways can inform interventions to reduce adolescent tobacco use and mitigate adverse health effects.
Abstract

Keywords:
Age of onsetCigarette smokingEarly childhoodPredictor

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