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Stephen Scott a Institute of Psychiatry, King's College
London, London SE5 8AF, b St George's Hospital, Medical School,
London SW17 0RE, c Maudsley Hospital, London SE5
8AZ
Correspondence to: S Scott
s.scott{at}iop.kcl.ac.uk
Objective:
To see whether a behaviourally based group parenting programme, delivered in regular clinical practice, is an
effective treatment for antisocial behaviour in children.
What is already known on this topic
What this study adds
Design:
Controlled trial with permuted block design with allocation by date of referral.
Setting:
Four local child and adolescent mental
health services.
Participants:
141 children aged 3-8 years referred
with antisocial behaviour and allocated to parenting groups (90) or waiting list control (51).
Intervention:
Webster-Stratton basic videotape
programme administered to parents of six to eight children over 13-16 weeks. This programme emphasises engagement with parental emotions,
rehearsal of behavioural strategies, and parental understanding of its
scientific rationale.
Main outcome measures:
Semistructured parent interview
and questionnaires about antisocial behaviour in children administered
5-7 months after entering trial; direct observation of parent-child interaction.
Results:
Referred children were highly antisocial
(above the 97th centile on interview measure). Children in the
intervention group showed a large reduction in antisocial behaviour;
those in the waiting list group did not change (effect size between groups 1.06 SD (95% confidence interval 0.71 to 1.41), P<0.001). Parents in the intervention group increased the proportion of praise to
ineffective commands they gave their children threefold, while control
parents reduced it by a third (effect size between groups 0.76 (0.16 to
1.36), P=0.018). If the 31 children lost to follow up were included in
an intention to treat analysis the effect size on antisocial behaviour
was reduced by 16%.
Conclusions:
Parenting groups effectively reduce
serious antisocial behaviour in children in real life conditions.
Follow up is needed to see if the children's poor prognosis is
improved and criminality prevented.
Children who persistently display a high level of antisocial behaviour
are at high risk of social rejection, juvenile delinquency, and long
term unemployment; the cost to society is high
An evidence based intervention is available for use in regular clinical
practice that effectively reduces antisocial behaviour in referred
children