Table 1.

Sample socio-demographic characteristics, wine drinking, and purchasing habits (%).

	Category	Italy	Spain	France	USA
Gender	Female	51	52	50	50
Age *	35–44	22	22	21	24
	45–54	21	23	22	25
Education	Bachelor’s degree	31	43	40	39
	High school diploma	43	33	36	24
Income	Medium	68	66	63	63
Medical disorders that influence food choices	No disorder	36	32	45	8
	Cardio-vascular problems	22	18	16	28
	Obesity/overweight	15	24	12	32
Wine-drinking frequencies	Every day	18	24	26	16
	3–4 times a week	20	28	32	19
	1–2 times a week	31	25	28	28
	Twice a month	18	15	10	24
	Rarely (once a month)	13	8	4	15
Number of glasses per occasion	1	41	30	12	20
	2	40	42	43	51
	3	11	18	24	11
	>3	8	10	21	18

* For the US population, this age range is between 21 and 24.