Table 2.

Proportion of patients according to places of residence (in 1991) (OR: Odds ratio)

	Urban (n)	Rural (n)	Total (n)
Veszprem Province	208.284	173.089	381.373
Ulcerative colitis	339	221	560
	OR: 1.27
	(95% CI: 1.07 - 1.52)
Crohn’s disease	122	90	212
	OR: 1.13
	(95% CI: 0.85 - 1.49)