Table 1.

Demographic characteristics of the sample.

		N	%
Gender	Male	2,741	27.34
	Female	7,284	72.65
Age category	≤34	3,765	37.55
	35–64	5,816	58
	≥65	444	4.42
Education level	5–8 anni	163	1.62
	8–13 anni	735	7.33
	13–17	2,110	21.04
	>17	7,017	70
Regions of Italy	Abruzzo	58	0.58
	Aosta valley	6	0.06
	Apulia	295	2.94
	Basilicata	35	0.35
	Calabria	75	0.75
	Campania	148	1.48
	Emilia Romagna	476	4.75
	Friuli Venezia Giulia	88	0.88
	Lazio	1,046	10.43
	Liguria	248	2.47
	Lombardy	5,237	52.23
	Marche	93	0.93
	Molise	65	0.65
	Piedmont	694	6.92
	Sardinia	138	1.37
	Sicily	140	1.39
	Trentino South Tyrol	42	0.42
	Tuscany	552	5.50
	Umbria	57	0.57
	Veneto	430	4.29
	Not reported	29	0.29
	Nationals living abroad	73	0.73