Table 2.

Descriptive statistics, gender comparisons and Cronbach’s alpha internal consistency.

	Men (n = 539)		Women (n = 453)		All				M	SD	M	SD	t-test	p<	d	Alpha
Age	45.62	16.09	44.04	15.24	1.58	0.115	0.10	–
Social position index	31.95	17.81	31.36	17.69	0.47	0.638	0.03	–
ZKA-PQ/SF
Aggressiveness	32.62	8.99	32.54	8.61	0.14	0.888	0.00	0.88
Activity	41.93	7.13	42.11	7.37	−0.40	0.692	−0.02	0.81
Extraversion	47.68	7.78	49.04	7.54	−2.78	0.006	−0.18	0.85
Neuroticism	32.06	9.06	36.05	9.28	−6.84	0.001	−0.44	0.90
Sensation seeking	37.66	8.62	34.87	8.46	5.12	0.001	0.32	0.84
SCSRQ-20
Sensitivity to reward	21.53	5.56	20.31	5.09	4.53	001	0.23	0.79
Sensitivity to punishment	21.51	5.51	23.91	5.80	−8.37	001	−0.43	0.82
GDMS
Rational	4.06	0.64	3.98	0.63	1.97	0.049	0.12	0.86
Intuitive	3.58	0.88	3.77	0.85	−3.46	0.001	−0.22	0.90
Dependent	3.31	0.83	3.49	0.79	−3.58	0.001	−0.22	0.83
Avoidant	2.20	0.93	2.31	0.91	−1.90	0.053	−0.12	0.92
Spontaneous	2.24	0.86	2.25	0.88	−0.24	0.088	−0.01	0.87
DBQ
Lapses	20.45	12.13	25.85	15.32	−6.20	0.001	−0.40	0.84
Errors	8.55	6.70	8.86	7.61	−0.66	0.507	−0.04	0.81
Ordinary violations	17.27	13.31	13.14	11.62	5.15	0.001	0.33	0.84
Aggressive violations	12.58	11.53	9.59	9.52	4.39	0.001	0.28	0.81

ZKA-PQ/SF: Zuckerman-Kuhlman-Aluja Personality Questionnaire shortened form. SPSRQ-20: Sensitivity to Punishment and Sensitivity to Reward Questionnaire shortened 20-item form. GDMS: General Decision-Making Scale. DBQ: Driving Behavior Questionnaire. Cohen’s d: 0.10: very small, 0.20: small, 0.50: medium, 0.80: large, 1.20: very large.