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Problem behavior in a community sample of 14- and 19-month-old children: common versus uncommon behaviors, structure,

Anne-Claire E Beernink1, Sophie H N Swinkels, Jan K Buitelaar

  • 1Dept. of Psychiatry, University Medical Center St. Radboud, Nijmegen, The Netherlands. a.c.beernink@psy.umcn.nl

European Child & Adolescent Psychiatry
|April 10, 2007
PubMed

Insights

Behavior problems are common in infants, with externalizing issues affecting over 50% of 14- and 19-month-olds. These early behaviors, particularly oppositional and attention issues, show stability over time.

Area of Science:

  • Developmental Psychology
  • Child Psychiatry
  • Behavioral Science

Background:

  • Limited research exists on infant behavior problems in community samples.
  • Understanding early behavioral development is crucial for identifying potential psychopathology.

Purpose of the Study:

  • To examine the prevalence, structure, and stability of behavior problems in 14- and 19-month-old infants.
  • To identify common behavioral issues and their developmental trajectories.

Main Methods:

  • Parental questionnaires assessing emotional, attentional, impulsive, and social communication behaviors.
  • Principal component analysis to determine behavioral factors.
  • Longitudinal correlation analysis to assess stability.

Main Results:

  • Externalizing behavior problems were common (≥50%), while social communication problems were less frequent (<10%).
  • Boys exhibited more problem behaviors than girls.
  • Seven behavioral factors were identified and replicated across age groups, with oppositional and attention factors showing high stability (r=0.68, r=0.63).

Conclusions:

  • Behavior problems, especially externalizing types, are prevalent in early infancy.
  • These early behaviors demonstrate significant stability, aiding in early psychopathology recognition and developmental studies.

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