Translational delivery of Cool Little Kids to prevent child internalising problems: Randomised controlled trial

Jordana K Bayer1,2,3, Ruth Beatson1,2, Lesley Bretherton2,3,4

  • 11 School of Psychology and Public Health, La Trobe University, Melbourne, VIC, Australia.

Insights

A parenting program for inhibited preschoolers did not prevent internalizing problems at school entry. However, it reduced internalizing symptoms in children with anxious parents, suggesting targeted interventions may be beneficial.

Area of Science:

  • Child Psychology
  • Developmental Psychology
  • Public Health Interventions

Background:

  • Temperamental inhibition in preschoolers is a risk factor for internalizing problems.
  • Early intervention programs aim to mitigate these risks.
  • Population-delivered programs offer scalable solutions for widespread impact.

Purpose of the Study:

  • To evaluate the effectiveness of a population-delivered parenting program in preventing internalizing problems in at-risk preschoolers.
  • To assess the program's impact on child anxiety disorders, internalizing symptoms, parenting practices, and parent mental health.

Main Methods:

  • A randomized controlled trial was conducted across 307 preschool services in Melbourne, Australia.
  • 545 parents of inhibited 4-year-olds participated, with 498 retained at 1-year follow-up.
  • The intervention group received the 'Cool Little Kids' parenting program; the control group did not.

Main Results:

  • No significant difference in child anxiety disorders was observed between groups (44.2% vs 50.2%).
  • Internalizing problems were significantly reduced in the intervention group (24.2% vs 33.0% abnormal; p=0.014).
  • A priori tests indicated potential benefits for children with anxious parents, reducing anxiety and internalizing symptoms.

Conclusions:

  • The population-delivered 'Cool Little Kids' program did not significantly impact overall population outcomes for internalizing problems at school entry.
  • Emerging effects were noted for inhibited children with anxious parents, warranting further investigation.
  • Long-term outcomes of the trial will continue to be monitored into mid-childhood.
Abstract

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