Table 1. Results of impulsivity scores measured by the Barratt impulsiveness scale (BIS).

	Mean (SD)	Range
Total score of BIS	63.7 (8.4)	47–91
Non-planning impulsivity	24.1 (3.8)	16–35
Attentional impulsivity	17.5 (3.2)	11–26
Motor impulsivity	22.1 (4.1)	14–30