Frequency (%)

H. pylori positive

Odds ratio (95% CI)

p-value

Sex

Males

266 (54.6)

101 (50.7)

0.7683 (0.5344 to 1.1045)

0.1546

Females

221 (45.4)

98 (49.3)

Ref.

Age group

<10

39 (8.0)

16 (8.0)

Ref.

11 - 20

71 (14.5)

21 (10.6)

0.6038 (0.2668 to 1.3662)

0.2259

21 - 30

101 (20.7)

30 (15.1)

0.6074 (0.2819 to 1.3088)

0.2030

31 - 40

89 (18.2)

50 (25.1)

1.4668 (0.6930 to 3.1050)

0.3167

41 - 50

65 (13.3)

42 (21.1)

2.6250 (1.1609 to 5.9354)

0.0204

51 - 60

69 (14.2)

22 (11.1)

0.6729 (0.2980 to 1.5194)

0.3404

≥60 years

53 (10.8)

18 (9.0)

0.7393 (0.3145 to 1.7376)

0.4884

Residence

Urban

391 (80.3)

163 (81.9)

Ref.

Rural

68 (14)

24 (12.1)

0.7630 (0.4462 to 1.3046)

0.3229

Immigrant

28 (5.7)

12 (6.0)

1.0491 (0.4833 to 2.2772)

0.9036

Previous H. pylori infection

No

461 (94.7)

181 (91.0)

Ref.

Yes

26 (5.3)

18 (9.0)

3.4807 (1.4824 to 8.1726)

0.0042