Table 4.

Univariate and multivariate analyses of factors associated with H. pylori infection

Variables	Univariate			Multivariate
	OR (95% CI)	p value		OR (95% CI)	p value
Age	1.01 (0.97–1.07)	0.569
Sex
Male	0.93 (0.29–2.97)	0.903
Female	1.00
BMI (kg/m2)	0.98 (0.80–1.19)	0.805
Alcohol intake (≥5 days/week)
Yes	4.28 (1.30–14.10)	0.017		1.91 (0.32–11.30)	0.477
No	1.00			1.00
Smoking habit (current smoker)
Yes	1.96 (0.48–8.08)	0.351
No	1.00
Anti-H. pylori antibody (per 1 U/ml increase)	1.73 (1.27–2.34)	<0.001		1.39 (0.92–2.09)	0.119
H. pylori infection score (per 1 score increase)	13.70 (3.85–48.60)	<0.001		9.53 (2.64–34.40)	<0.001

BMI, body mass index; OR, odds ratio; CI, confidence intervals.