Table 3.

Users according to number of cigarettes smoked and demographic variables.

Variable		Number of cigarettes, %						P	Cramer’s V
		≤10 n=5026	11-20 n=11,688	21-30 n=4292	31-40 n=1799	41-50 n=267	≥51 n=139
Sex								<.001	0.191
	Male	17.32	46.81	22.36	10.74	1.66	1.11
	Female	26.08	53.94	14.51	4.81	0.56	0.10
Age								<.001	0.150
	≤31	31.62	54.52	11.22	2.32	0.21	0.11
	32-39	22.66	52.81	17.72	5.81	0.58	0.42
	40-47	16.30	49.22	22.31	10.22	1.42	0.53
	≥48	15.19	44.31	23.25	13.22	2.32	1.71
Education								<.001	0.153
	Primary	11.97	49.01	24.02	11.78	2.22	1.00
	High school	18.65	49.15	20.82	9.31	1.25	0.82
	Professional training	20.71	52.52	18.10	7.81	0.72	0.41
	University	26.15	50.42	16.11	5.74	0.92	0.66
Marital status								<.001	0.076
	Single	27.42	52.04	14.86	4.72	0.68	0.28
	Married	18.61	49.64	20.49	9.06	1.38	0.82
	Separated	16.24	47.12	22.02	12.11	1.49	1.02
	Living as a couple	21.81	50.75	18.12	7.74	1.01	0.57
	Widowed	14.38	45.38	26.09	10.99	2.72	0.44