Table 1

Effects of drug dosage reduction

Variable Measure ‘ Success’ group v. ‘control’ group
DISCUS, Dyskinesia Identification System: Condensed User Scale; ABC, Aberrant Behavior Checklist.
Weight Direct assessment No difference
Dyskinesia DISCUS Increase: t=3.0, d.f.=28.4, P<0.01
Stereotypy Direct observation No difference
Maladaptive behaviour ABC No difference
ABC sub-domains No difference
Direct observation No difference
Engagement: total Direct observation Increase: t=2.3, d.f.=32.0, P<0.05
Engagement: social Direct observation No difference
Engagement: non-social Direct observation Increase: t=2.5, d.f.=32.0, P<0.05
Disengagement Direct observation No difference
Staff contact Direct observation No difference