Table 1.

Relationships between the prevalence of H. pylori infection and lifestyles.

	H. pylori positive	H. pylori negative	Total	Prevalence of H. pylori (%)	OR (95% CI)	p
Alcohol consumption
Yes	22	31	53	41.5	0.65 (0.34–1.26)	0.20
No	59	54	113	52.2	1∗
Tobacco consumption
Yes	20	31	51	39.2	0.57 (0.29–1.12)	0.10
No	61	54	115	53.0	1∗
Number of cigarettes per day
≤10 cigarettes	14	19	33	42.4	1.33 (0.36–4.83)	0.67
>10 cigarettes	5	9	14	35.7	1∗
Coffee consumption
Yes	56	63	119	47.1	0.75 (0.40–1.54)	0.48
No	25	22	47	53.2	1∗
Number of coffees per day
1	26	36	62	41.9	0.61 (0.30–1.30)	0.21
2 or more	28	24	52	53.8	1∗

^∗Reference group.