Table 4.

The Kendall’ tau-b correlation between current use of alcohol, cigarettes and illicit substances

	Current alcohol use		Current cigarettes use		Current illicit substances use
	τ b	p	τ b	p	τ b	p
Current use of alcohol			0,36	< 0,001	0,30	< 0,001
Current cigarettes use	0,36	< 0,001			0,35	< 0,001
Current illicit substances use	0,30	< 0,001	0,35	< 0,001