Table 2. Logistic regression analysis for possible risk factors associated with H. pylori infection.

Variables	OR (95%CI)	P value
Age groups (years)
3–6	–
7–11	1.474 (1.335–1.627)	<0.001
12–17	2.031 (1.772–2.328)	<0.001
Gender
Female	–
Male	1.209 (1.104–1.323)	<0.001
Gastrointestinal symptoms
No	–
Yes	1.141 (1.009–1.289)	0.035
History of H. pylori infected family member
No	–
Yes	1.289 (1.100–1.511)	0.002

Notes.

OR

odds ratio

CI

confidence interval