Attention deficit hyperactivity disorder symptoms mediate early-onset smoking
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Published on: August 6, 2013
A C Huizink1, P A C van Lier, A A M Crijnen
1Erasmus Medical Center Rotterdam/Sophia Children's Hospital, Department of Child and Adolescent Psychiatry, Rotterdam, The Netherlands. a.c.huizink@erasmusmc.nl
Background/Aims:
Symptoms of attention deficit hyperactivity disorder (ADHD) have often been associated with early-onset smoking. We hypothesize that reductions in ADHD symptoms due to an intervention have a mediating effect on early-onset smoking.
Methods:
In a universal, school-based, randomized controlled intervention trial, we examined whether intervention-induced reductions in ADHD symptoms at age 9 mediated the reduced risk of tobacco use onset among these children at age 10 or 11 years. A sample of 477 first-grade boys and girls were randomly assigned to the Good Behavior Game intervention (n = 263), a 2-year (grades 2 and 3) universal classroom-based intervention aimed at reducing disruptive behavior problems, or to a control condition (n = 214). ADHD symptoms were assessed through teacher ratings. Early onset of tobacco use was assessed through self-report.
Results:
The intervention-induced reductions in ADHD symptoms fully mediated the distal effect of intervention on reductions in early-onset smoking.
Conclusions:
Our results showed that programs that target ADHD symptoms may protect children from early-onset smoking as well. Further research is needed to examine pathways from ADHD symptoms to tobacco use.
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