Table 1

Baseline characteristics of the HEXA-G study population included in the alcohol consumption analysis (n = 128,218)

CharacteristicsMen (n = 42,152)P value*Women (n = 86,066)P value*
Non-drinker (n = 8,968)Drinker (n = 33,184)Non-drinker (n = 58,825)Drinker (n = 27,241)
n(%)n(%)n(%)n(%)
Follow-up year (mean ± SD)8.7(2.0)8.7(2.0)0.6408.8(2.1)8.7(2.1)<0.001
Age (mean ± SD)55.0(8.4)52.7(8.3)<0.00153.4(7.8)49.6(7.0)<0.001
Family history of GC786(8.8)2,670(8.1)0.0685,053(8.6)2,239(8.2)0.192
Education<0.001<0.001
≤Middle school2,044(22.8)6,681(20.1)22,566(38.4)8,681(31.9)
High school diploma3,525(39.3)13,728(41.4)24,264(41.3)12,764(46.9)
≥College degree3,251(36.3)12,369(37.3)11,148(19.0)5,490(20.2)
Married/cohabitation8,401(93.7)31,147(93.9)0.00551,203(87.0)23,337(85.7)<0.001
Ever smokers4,887(54.5)25,566(77.0)<0.0011,146(2.0)1,882(6.9)<0.001
Regular exercisers4,165(46.4)13,936(42.0)<0.00129,319(49.8)12,777(46.9)<0.001
BMI (kg/m2, mean ± SD)23.7(4.5)23.7(1.1)<0.00123.7(2.5)23.7(4.1)<0.001
Total energy intake (kcal, mean ± SD)563.7(115.3)1,871.0(559.7)<0.0011,700.36(568.0)1,736.64(605.2)<0.001

HEXA-G, Health Examinees-Gem study; GC, gastric cancer; BMI, body mass index.

*Student’s t-test for continuous variables; chi-square test for categorical variables.

Data for continuous variables are presented as mean ± standard deviation (SD); all other variables are presented as n (%).

Ever smokers is defined as lifetime smokers with ≥20 pack-years.