Table 2 Demographic and clinical characteristics of the Helicobacter pylori- negative and -positive groups.

From: Association between interleukin-18 gene polymorphism and Helicobacter pylori infection in the Korean population

Variables

H. pylori(−) (N = 222)

H. pylori(+) (N = 456)

P value

Age, years

52.7 ± 10.9

53.2 ± 10.7

0.585

BMI, kg/m2

24.1 ± 3.3

24.1 ± 2.9

0.976

Male (%)

124 (55.9)

278 (61.0)

0.204

Alcohol consumption

 Never

81 (36.5)

162 (35.5)

0.812

 Current

126 (56.8)

268 (58.8)

 

 Previous

15 (6.8)

26 (5.7)

 

Smoking

 Non-smoker

131 (59.0)

253 (55.5)

0.375

 Current smoker

38 (17.1)

99 (21.7)

 

 Ex-smoker

53 (23.9)

104 (22.8)

 

Education

 ≤12 years

69 (31.1)

163 (35.7)

0.230

 >12 years

153 (68.9)

293 (64.3)

 

Income ($/month)

 2500

99 (44.6)

194 (42.5)

0.858

 2500–8500

85 (38.3)

184 (40.4)

 

 8500

38 (17.1)

78 (17.1)

 

Family history of gastric cancer

 No

194 (87.4)

392 (86.0)

0.612

 Yes

28 (12.6)

64 (14.0)

 
  1. BMI, Body mass index; H. pylori, Helicobacter pylori.