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Positive Behaviour Support (PBS) is thought to be an important model for working with people with intellectual disabilities who display behaviours challenging to service. The purpose of this paper is to explore clinical and service user outcomes associated with the delivery of PBS by a Complex Behaviour Service (CBS).

Clinical outcomes of 24 service users treated by the CBS team were assessed at baseline, six and 12 months and compared with those of 22 peers who received usual care. The main outcome was reduction in challenging behaviour measured by the Aberrant Behaviour Checklist (ABC). Secondary outcomes included measures of mental health needs, risk and social care supports.

At six months improvements were seen across all ABC domains in both groups, with greater improvement in the CBS group, compared to usual care in irritability and stereotypy. Between group differences were maintained only for stereotypy at 12 months. No other differences were found.

This paper suggests that PBS delivered by trained and dedicated staff may provide clinical benefits to individuals with challenging behaviours. However, there are issues around integration into existing services that need to be addressed in order to maximise efficiency.