Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Sep 21, 2013; 19(35): 5870-5876
Published online Sep 21, 2013. doi: 10.3748/wjg.v19.i35.5870
Table 1 Characteristics of the study subjects n (%)
VariablesControls (n = 477)Cases (n = 477)OR (95%CI)
Age (yr) mean ± SD57.8 ± 10.258.7 ± 9.9
Sex
Males301 (63.1)301 (63.1)
Females176 (36.9)176 (36.9)
Smoking status
Non-smokers225 (47.6)194 (41.0)1.00 (reference)
Smokers248 (52.4)279 (59.0)1.64 (0.95-2.84)
Alcohol intake status
Non-drinkers194 (40.7)189 (39.6)1.00 (reference)
Drinkers283 (59.3)288 (60.4)1.18 (0.71-1.76)