Assaultiveness among institutionalised adults with mental retardation

In an institution, 57 people with mental retardation who had shown assaultive behaviour during the last year were compared with a control group of 57 people in the same institution, matched by sex, level of retardation and age. The study group were younger and had more people with a moderate level of mental retardation than the total population of the institution. Compared with the controls, the assaultive group had more resources available, had more psychopathology, consumed more psychotropic drugs, and had a higher frequency of other problem behaviour. We found no group differences in personal skills, including communication. Generally, the observed covariates of assaultive behaviour resembled that seen in other populations with assaultive behaviour.