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Aggressive behavior was documented in a sample of 124 residents on units for the cognitively impaired in four nursing homes over a period of 7 days using the Ryden Aggression Scale. Some form of aggression was found in 86.3% of the residents, with no differences among facility, gender or diagnostic group. Neither mental status nor physical dependency was associated with aggression. The 68.5% who received psychotropic drugs had significantly higher aggression scores. Most incidents of aggression involved response to invasion of personal space and occurred during the day shift.
Ryden et al. (Tue,) studied this question.