Positive behaviour support for adults with acquired brain injury and challenging behaviour: A randomised controlled trial - 13/04/22
, Amelia J. Hicks a, b, Kate R. Gould a, b, Marina G. Downing a, b, Malcolm Hopwood c, Tim J. Feeney d
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Highlights |
• | The positive behaviour support intervention (PBS+PLUS) sets meaningful life goals and addresses barriers to achieving these. |
• | PBS+PLUS resulted in improved behaviour over 12 months, also seen in TAU controls. |
• | Gains from the PBS+PLUS intervention were sustained over 8 months post-intervention. |
• | PBS+PLUS resulted in gains in self-efficacy of close others in managing behaviour. |
• | PBS+PLUS is feasible and effective in reducing challenging behaviour after ABI. |
Abstract |
Background |
Challenging behaviours are common and disabling consequences of acquired brain injury (ABI), causing stress for close-others and disrupting community integration. Positive Behaviour Support (PBS) interventions have support from case studies as a means of reducing these behaviours, but controlled trials are lacking.
Objectives |
This study aimed to evaluate, with a randomised waitlist-controlled trial, the efficacy of a 12-month PBS intervention, termed PBS+PLUS, in reducing challenging behaviours after ABI.
Methods |
Participants included 49 individuals with ABI (PBS+PLUS Intervention and Waitlist Treatment-as-usual groups) and their close-others. The design was a randomised waitlist-controlled trial with 12-month follow-up. PBS+PLUS involved setting collaborative goals toward a more meaningful life with the individual with ABI and addressing barriers to achieving these, including challenging behaviours, through skill-building, restructuring environments and executive strategies. The primary outcome measure was the Overt Behaviour Scale (OBS). The Challenging Behaviour Self-Efficacy Scale (CBSES) was a secondary outcome, assessing close-others’ self-efficacy in addressing challenging behaviour. Measures were completed at baseline and every 4 months. Data analyses involved mixed-effects and negative binomial regressions examining change over time by group.
Results |
The PBS+PLUS Intervention group included 24 participants and the Waitlist group 25 participants. On the OBS, the Intervention group showed a significant reduction in challenging behaviour over the 12-month intervention. However, the Waitlist group showed similar improvement on the OBS over the 12-month waitlist period. The Waitlist group was not denied an intervention from other providers during this period. Gains continued for 8 months post-intervention. The PBS+PLUS intervention resulted in significantly greater gains in close-others’ confidence in addressing challenging behaviours on the CBSES, relative to those in the Waitlist group, who showed no such gains.
Conclusions |
Although we cannot say this intervention is more effective than any other, the study did show that PBS+PLUS can result in significant and sustained reductions in challenging behaviour in individuals with severe ABI and increased confidence of close-others in addressing these difficult behaviours.
Australian New Zealand Clinical Trials Registry |
#ACTRN12616001704482
Le texte complet de cet article est disponible en PDF.Keywords : Acquired brain injury, Challenging behaviour, Positive behaviour support, Intervention trial, Outcomes
Plan
Vol 65 - N° 2
Article 101604- mars 2022 Retour au numéro
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