Table 1.

Loadings for principal components using varimax rotation.

Roation Variables	Component
	1 (Risk-seeking)	2 (Impulsivity)	3 (Lack of control)	4 (Reward-dependence)
TPQ_HA	−0.774
EPQ_E	0.662			0.543
SSS_ES	0.599
EPQ_N	−0.578		0.546
SSS_DIS	0.531
RPS	0.487
SSS_TAS	0.486
BIS_MOT		0.814
TPQ_NS	0.354	0.657
BIS_NP		0.652		−0.319
BIS_ATT		0.525	0.421
EPQ_P			0.699	−0.320
SSS_BS			0.670
EPQ_L			−0.596
TPQ_RD				0.824

Abbreviations: BIS_ATT, attentional factors of the Barratt Impulsiveness Scale; BIS_MOT, motor factors of the Barratt Impulsiveness Scale; BIS_NP, non-planning impulsiveness factors of the Barratt Impulsiveness Scale; EPQ_E, extraversion-introversion subscale of the Eysenck Personality Questionnaire; EPQ_L, lie subscale; EPQ_N, neuroticism subscale of the Eysenck Personality Questionnaire; EPQ_P, psychotism subscale of the Eysenck Personality Questionnaire; RPS, Risk Propensity Scale; SSS_TAS, thrill and adventure seeking dimention of the Sensation Seeking Scale; SSS_ES, experience seeking dimention of the Sensation Seeking Scale; SSS_DIS, disinhibition dimention of the Sensation Seeking Scale; SSS_BS, boredom susceptibility dimention of the Sensation Seeking Scale; TPQ_NS, novelty seeking subscale of the Tridimensional Personality Questionnaire; TPQ_HA, harm avoidance subscale of the Tridimensional Personality Questionnaire; TPQ_RD, reward dependence subscale of the Tridimensional Personality Questionnaire.