Table 5 Final logistic regression model for clarithromycin resistance among patients not previously treated for Helicobacter pylori infection (n = 800).

	Unadjusted. OR	Adjusted OR	95% CI	p Value
Sex (men v women)	1.62	1.58	[1.12 to 2.24]	0.010
Age (v >11) years.
6–11	1.38	1.21	(0.81 to 1.78)	0.350
6	2.03	1.82	(1.10 to 3.03)	0.020
Country of residence (Southern Europe v Northern and Eastern and Western)	2.29	2.25	(1.53 to 3.30)	<10−3