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A parent-based intervention programme involving preschoolers with AD/HD behaviours: are children’s and mothers’ effects sustained over time?

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Abstract

To evaluate the 12-month efficacy of a parent-based intervention programme on children’s and mothers’ outcomes in a sample of Portuguese preschoolers displaying early hyperactive and inattentive behaviours (AD/HD behaviours), 52 preschool children whose mothers had received the Incredible Years basic parent training (IY) were followed from baseline to 12 months of follow-up. Reported and observational measures were used. Effects were found in the children’s reported AD/HD behaviours at home and at school after 12 months. Large effect sizes were also found in mothers’ variables: a decrease in self-reported dysfunctional parenting practices and an improved sense of competence and observed positive parenting. However, the improvements in coaching skills that have been observed after 6 months of follow-up decreased over time. No other significant differences were found between 6 and 12 months follow-up, with small effect sizes indicating that the significant post-intervention changes in child and parenting measures were maintained. After 12 months of follow-up, there was a clinically important reduction of over 30 % in reported AD/HD behaviours in 59 % of children. The sustained effects observed both for children and their mothers suggest long-term benefits of IY. Therefore, efforts should be made by Portuguese policy makers and professionals to deliver IY as an early preventive intervention for children displaying early AD/HD behaviours.

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Acknowledgments

This work was supported by the Foundation for Science and Technology and by FEDERCOMPETE (PhD grant: SFRH/BD/40339/2007; project research grant: PTDC/PSIPED/ 102556/2008). We are very grateful to all the families that kindly participated in all phases of this project; and to our team (group leaders, evaluators and advisers) for their commitment and effective support for this study.

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The authors declare that they have no conflict of interest with respect to the present research, authorship and publication of this paper.

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Azevedo, A.F., Seabra-Santos, M.J., Gaspar, M.F. et al. A parent-based intervention programme involving preschoolers with AD/HD behaviours: are children’s and mothers’ effects sustained over time?. Eur Child Adolesc Psychiatry 23, 437–450 (2014). https://doi.org/10.1007/s00787-013-0470-2

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