Table 2 Multivariate analysis of factors affecting H. pylori eradication therapy

Total

19,272

3,712

19.3

Sex

Male

10,557

2,246

21.3

Ref

Female

8,715

1,466

16.8

0.77

0.71

0.84

Age (years)

16-19

34

1

2.9

2.27

0.28

18.21

20-29

798

21

2.6

Ref

30-39

2,853

246

8.6

4.22

2.44

7.31

40-49

5,087

889

17.5

9.32

5.44

15.94

50-59

6,176

1,467

23.8

14.33

8.39

24.48

60-69

3,358

865

25.8

16.91

9.87

28.97

≥70

966

223

23.1

16.73

9.58

29.20

Geographic area

Seoul

10,755

2,240

20.8

Ref

Gyeonggi

3,025

622

20.6

0.97

0.87

1.08

Chungcheong

863

123

14.3

0.76

0.61

0.94

Kyungsang

1,630

317

19.4

0.85

0.74

0.99

Cholla

1,807

254

14.1

0.68

0.58

0.80

Kangwon

588

122

20.7

1.30

1.04

1.64

Jeju

589

34

5.8

0.27

0.19

0.39

Household income*

Low

2,114

276

13.1

0.70

0.58

0.83

Medium

11,049

2,206

20.0

0.96

0.87

1.05

High

3,781

871

23.0

Ref

Education level**

Low

1,743

285

16.4

0.70

0.59

0.84

Medium

3,667

663

18.1

0.87

0.78

0.97

High

12,928

2,678

20.7

Ref

GI symptoms

No

13,121

2,325

17.7

Ref

Yes

5,954

1,386

23.3

1.60

1.47

1.73

Family history of gastric cancer

No

16,470

3,052

18.5

Ref

Yes

2,556

646

25.3

1.34

1.21

1.49