Case Control Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Jul 7, 2014; 20(25): 8151-8157
Published online Jul 7, 2014. doi: 10.3748/wjg.v20.i25.8151
Table 1 Demographic data of cases and controls n (%)
CharacteristicCasesControlst/χ2P value
n = 171n = 367
Age (yr, mean ± SD)56.93 ± 14.0156.81 ± 13.900.09310.440
Gender
Male118 (69.01)243 (66.21)0.4120.521
Female53 (30.99)124 (33.79)
Education
Primary51 (29.82)117 (31.88)0.3320.847
Secondary84 (49.12)179 (48.77)
Tertiary and postgraduate36 (21.06)71 (19.35)
BMI (kg/m2)
≤ 25110 (64.33)244 (66.49)0.3650.794
> 2561 (35.67)123 (33.51)
H. pylori CagA positive101 (59.06)163 (44.41)10.0180.002a
IL-1B-31
TT41 (23.98)89 (24.25)0.0050.997
TC84 (49.12)180 (49.05)
CC46 (26.90)98 (26.70)
C carrier130 (76.02)278 (75.75)
Pork consumption
< 25 g/d89 (52.05)177 (48.23)0.6800.410
≥ 25 g/d82 (47.95)190 (51.77)