Table 2.

Impulsivity in adolescent smokers according to Barratt impulsivity scale 11

		Smoker		Test of significance
		Non-smoker (n = 341)	Smoker (n = 50)
		Mean ± SD N (%)	Mean ± SD N (%)	Value	p-value	Sig.
Impulsivity	Total impulsivity	63.93 ± 7.99	52.43 ± 12.84	t = 6.103	<0.001	S
	Mild	276 (80.94%)	40 (80%)	χ2 = 0.485	0.785	NS
	Moderate	57 (16.72%)	8 (16%)
	Severe	8 (2.35%)	2 (4%)

t, Student t-test of significance; χ², chi-square test of significance