Table 2 Multivariate logistic regression analysis of H. pylori infection in the 3632 subjects above 14 years old

Age

  < 18

Reference

 18 ~ 

1.750

0.889–3.445

0.106

 45 ~ 

2.154

1.100–4.218

0.025

  > 65

2.181

1.097–4.339

0.026

Farmer

1.266

1.062–1.509

0.009

Natural labor

3.622

2.544–5.156

 < 0.001

Family size ≤ 3

0.695

0.594–0.813

 < 0.001

Frequently share utensils

1.241

1.230–1.685

 < 0.001

Washing hands often before meals

0.775

0.638–0.941

0.010

Frequent exercise

0.565

0.479–0.667

 < 0.001

Regular meals

0.481

0.384–0.603

 < 0.001

Drinking

1.385

1.169–1.640

 < 0.001

Regular consumption of fruits and vegetables

0.601

0.529–0.752

 < 0.001

Frequent betel nut consumption

1.306

1.005–1.697

0.046

Upper gastrointestinal symptoms

1.501

1.289–1.747

 < 0.001

Family history of gastric cancer

3.807

2.666–5.438

 < 0.001