Table 1.

Demographic, neuropsychological and behavioral data.

	Adolescent offenders (N = 30)	Non-offenders (N = 16)	p*
Age	16.67 (0.54)	16 (0.63)	0.001
Education (years)	6.50 (1.77)	7.25 (1.88)	0.416
Fluid intelligence (RSPM)	48.53 (4.51)	49.44 (4.38)	0.517
Executive functions (EFS)
Motor programming	2.70 (0.46)	3 (0.00)	0.014
Conflicting instructions	2.96 (0.18)	2.75 (0.44)	0.024
Verbal inhibitory control	3.86 (1.79)	5.50 (0.73)	0.001
Abstraction (proverbs)	1.40 (0.89)	2.81 (0.40)	0.000
Backward digit span	2.83 (1.05)	2.25 (1.18)	0.094
Spatial working memory	3.06 (1.22)	3.93 (0.25)	0.008
Go/NoGo	2.83 (0.46)	2.93 (0.25)	0.407
IFS global score	20.86 (3.54)	24.93 (1.65)	0.000

* Student t-test. RSPM, Raven’s Standard Progressive Matrices; IFS, INECO Frontal Screening.