Table 1.

Cronbach’s alpha coefficient, mean, and standard deviation.

Scale	Mean score (SD)	Range	α (IC95%)
Lack of premeditation	20.32 (5.72)	11–44	0.87 (0.86–0.89)
Urgency	28.75 (7.40)	12–47	0.85 (0.83–0.87)
Sensation seeking	28.98 (8.47)	11–48	0.84 (0.82–0.87)
Lack of perseverance	19.20 (4.56)	10–32	0.75 (0.72–0.79)