Table 1.

Personality questionnaires (mean ± SEM) for impulsivity and risk

		MAOA‐L		MAOA‐S
		PL	T	PL	T	MAOA	T/PL	interaction
		(26)	(28)	(22)	(25)
	Age	24.15 ± 3.61	24.25 ± 4.23	23.73 ± 3.91	24.24 ± 3.60	P= .784	P= .694	P= .794
BISBAS	BAS	41.71 ± 3.32	39.56± 5.58	36.71 ± 5.83	39.00 ± 5.43	P= .010 a	P= .948	P=.039 a
	Drive	12.54 ± 1.99	12.00 ± 2.27	11.10 ± 2.30	11.67 ±2.35	P= .057	P= .974	P= .231
	Fun	12.29 ± 1.71	11.32 ± 2.01	10.38 ± 2.16	11.33 ± 1.49	P= .015 a	P= .980	P= .014 a
	Reward	16.88 ± 1.94	16.24 ± 2.37	15.24 ± 2.32	16.00 ± 2.57	P= .053	P= .895	P= .147
	BIS	19.42 ± 2.70	18.28 ± 3.17	18.43 ± 2.18	20.50 ± 2.86	P= .285	P= .417	P=.006 a
BIS11		77.13 ± 11.14	79.11 ± 6.70	73.26 ± 7.40	76.00 ± 6.81	P= .035a	P= .816	P=.152
AQ	AQ Total	8.69 ± 1.52	9.32 ± 1.42	8.84 ± 1.58	8.70 ± 1.67	P= .447	P= .421	P= .211
	Anger	1.80 ± .48	2.05 ± .56	1.92 ± .48	1.85 ± .53	P= .677	P= .383	P= .113
	Hostility	2.00 ± .54	2.14 ± .52	2.04 ± .60	1.97 ± .48	P= .557	P= .795	P= .315
	Verbal	2.81 ± .47	2.86 ± .41	2.67 ± .47	2.67 ± .62	P= .105	P= .792	P= .811
	Physical	8.69 ± 1.52	9.32 ± 1.42	8.84 ± 1.58	8.70 ± 1.67	P= .447	P= .421	P= .211

Tests that significantly differed between groups are highlighted in bold letters.

^aThe BISBAS scales were only applied to 93 subjects since the questionnaire was not directly available at the start of the data assessment.