Table 1

General characteristics of 6,694 study participants in Korea, 1993-2003
Characteristic Male N (%) Female N (%)
Gender 2682 4012
Age (years) <50 698(26.0) 1090(40.6)
50-59 829(30.9) 1238(46.2)
60-69 845(31.5) 1240(46.2)
≥70 310(11.6) 444(16.6)
Marital status Single/Divorced 51(1.9) 39(1.5)
Married 2138(79.7) 2422(90.3)
Widowed 105(3.9) 922(34.4)
Unknown 388(14.5) 629(23.5)
Education Under middle school 1029(38.4) 2490(92.8)
Upper middle school 1634(60.9) 1493(55.7)
Unknown 19(0.7) 29(1.1)
Job Farmer 1598(59.6) 2136(79.6)
Other 1084(40.4) 1876(69.9)
Unknown 455(17.0) 717(26.7)
Smoking Non-smoker 554(20.7) 3587(133.7)
Ex-smoker 521(19.4) 66(2.5)
Current smoker 1596(59.5) 337(12.6)
Unknown 11(0.4) 22(0.8)
Alcohol drinking Non-drinker 813(30.3) 3437(128.2)
Ex-drinker 246(9.2) 66(2.5)
Current drinker 1604(59.8) 470(17.5)
Unknown 19(0.7) 39(1.5)
BMI (Kg/m2) <23 1392(51.9) 1648(61.4)
23-25 644(24) 942(35.1)
≥25 591(22) 1347(50.2)
Unknown 55(2.1) 75(2.8)
Acupuncture history No 1192(44.4) 1408(52.5)
Yes 1183(44.1) 2103(78.4)
Unknown 307(11.4) 501(18.7)
Blood transfusion history No 1890(70.5) 2744(102.3)
Yes 85(3.2) 191(7.1)
Unknown 707(26.4) 1077(40.2)
HBsAg Negative 6113(227.9) 2437(90.9)
Positive 349(13) 154(5.7)
Unknown 232(8.7) 91(3.4)
Anti-HBs Negative 1151(42.9) 1652(61.6)
Positive 1422(53) 2200(82)
Unknown 109(4.1) 160(6)
Anti-HCV Negative 2456(91.6) 3627(135.2)
Positive 133(5) 242(9)
Unknown 93(3.5) 143(5.3)
FBS (mg.dL) <100mg/dL 1173(43.7) 1865(69.5)
100mg/dL-126mg/dL 458(17.1) 744(27.7)
>=126mg/dL 256(9.5) 330(12.3)
Unknown 795(29.6) 1073(40)
ALT (U/L) <30U/L 1799(67.1) 3284(122.4)
≥30U/L 756(28.2) 594(22.1)
Unknown 127(4.7) 134(5)
AST (U/L) <35U/L 1794(66.9) 3338(124.5)
≥35U/L 759(28.3) 535(19.9)
Unknown 129(4.8) 139(5.2)

SD, standard deviation; BMI, body mass index; HBsAg, hepatitis B surface antigen; anti-HBs, antibodies against hepatitis B surface antigen; anti-HCV, antibodies against hepatitis C virus; FBS, fasting blood sugar; ALT, alanine aminotransferase; AST, aspartate aminotransferase.

Oh et al.

Oh et al. BMC Cancer 2012 12:452   doi:10.1186/1471-2407-12-452

Open Data