Table 4 Prevalence of Helicobacter pylori infection and the lifestyle of children in the family

Total

233

58(24.89%)

175(75.11%)

Sex

 boy

119(51.07%)

29(24.37%)

90(75.63%)

Reference

 girl

114(48.93%)

29(25.44%)

85(74.56%)

1.06(0.58-1.92)

0.850

Age(years)

 ≤3

17(7.30%)

4(23.53%)

13(76.47%)

Reference

 4-6

64(27.47%)

14(21.88%)

50(78.13%)

0.91(0.26-3.23)

0.884

 7-9

40(17.17%)

11(19.64%)

45(80.36%)

0.94(0.25-3.62)

0.932

 10-12

40(17.17%)

11(30.56%)

25(69.44%)

1.08(0.29-4.09)

0.906

 13-15

35(15.02%)

10(27.03%)

27(72.97%)

1.30(0.34-4.96)

0.701

 16-18

37(15.88%)

8(34.78%)

15(65.22%)

1.37(0.37-5.17)

0.637

Drink raw water

 No

221(94.85%)

55(24.89%)

166(75.11%)

Reference

 Yes

12(5.15%)

3(25.00%)

9(75.00%)

1.01(0.26-3.85)

0.993

Wash hands before meals and after defecation

 No

19(8.15%)

7(36.84%)

12(63.16%)

Reference

 Yes

214(91.85%)

51(23.83%)

163(76.17%)

0.54(0.20-1.43)

0.215

Dining in the school/Unit Canteen

 Rarely

223(95.71%)

55(24.66%)

168(75.34%)

Reference

 More than two days per week

10(4.29%)

3(30.00%)

7(70.00%)

1.31(0.33-5.24)

0.703

Dining in the small restaurants

 Rarely

219(93.99%)

54(24.66%)

165(75.34%)

Reference

 More than two days per week

14(6.01%)

4(28.57%)

10(71.43%)

1.22(0.37-4.06)

0.743

 Dining in the hotel restaurant

 Rarely

225(96.57%)

57(25.33%)

168(74.67%)

Reference

 More than two days per week

8(3.43%)

1(12.50%)

7(87.50%)

0.423(0.05-3.50)

0.423

Children's habit of sticking toys or objects in their mouths

 No

177(91.71%)

44(24.86%)

133(75.14%)

Reference

 Yes

16(8.29%)

2(12.50%)

14(87.50%)

0.43(0.09-1.97)

0.279

Parents often kiss their children mouth-to-mouth

 No

170(88.08%)

40(23.53%)

130(76.47%)

Reference

 Yes

23(11.92%)

6(26.09%)

17(73.91%)

1.15(0.42-3.11)

0.787

children entering kindergarten

 No

59(30.57%)

16(27.12%)

43(72.88%)

Reference

 Yes

134(69.43%)

30(22.39%)

104(77.61%)

0.78(0.38-1.57)

0.478

Mother infected

 No

86(45.50)

14(16.28%)

72(83.72%)

Reference

Reference

 Yes

103(54.50%)

35(33.98%)

68(66.02%)

2.65(1.31-5.35)

0.007

2.51(1.07-5.89)

0.035

Father infected

 No

99(60.37%)

14(14.14%)

85(85.86%)

Reference

Reference

 Yes

65(39.63%)

23(35.38%)

42(64.62%)

3.33(1.55-7.11)

0.002

2.93(1.29-6.62)

0.010

Grandmother infected

 No

38(43.18%)

4(10.53%)

34(89.47%)

Reference

 Yes

50(56.82%)

9(18.00%)

41(82.00%)

1.87(0.53-6.59)

0.333

Grandfather infected

 No

22(41.51%)

2(9.09%)

20(90.91%)

Reference

 Yes

31(58.49%)

6(19.35%)

25(80.65%)

2.40(0.44-13.20)

0.314