The number of fallers increased in the control group ( from 19.3 % to 28 % ) and did not significantly change in the intervention group ( from 25.3 % to 23.9 % ) ; the number of residents with delirium increased in the control group ( from 3.8 % to 9.1 % ) and decreased in the intervention group ( from 6.1 % to 3.2 % ) .