tokens: Significantly more weight gain occurred with olanzapine than with risperidone : the increase in weight at 4 months relative to baseline weight was 17 . 3 % ( 95 % CI = 14 . 2 % - 20 . 5 % ) with olanzapine and 11 . 3 % ( 95 % CI = 8 . 4 % - 14 . 3 % ) with risperidone .