Table 1.
Characteristics of the study population n (%)
| Variables | Value | |
| Age (yr) | 1-4 | 1175 (0.79) |
| 5-19 | 28046 (18.83) | |
| ≥ 20 | 119710 (80.38) | |
| Sex | Male | 67319 (45.20) |
| Female | 81612 (54.80) | |
| Marital status (≥ 20 yr) | Unmarried | 6614 (5.53) |
| Married | 106395 (88.88) | |
| Divorced | 6264 (5.23) | |
| Unknown | 437 (0.37) | |
| Education (≥ 20 yr) | Illiterate or primary school | 68552 (57.27) |
| Middle school | 43460 (36.31) | |
| College school | 7097 (5.93) | |
| Unknown | 599 (0.50) | |
| Occupation (≥ 20 yr) | Agricultural worker | 40363 (33.72) |
| Worker | 40530 (33.86) | |
| Student | 1248 (1.04) | |
| Civil servant | 5129 (4.28) | |
| Public service worker | 5222 (4.36) | |
| Unemployed | 21763 (18.18) | |
| Others | 4883 (4.08) | |
| Unknown | 572 (0.48) | |
| Smoking status (≥ 20 yr) | Never | 87144 (72.80) |
| Current | 27024 (22.57) | |
| Past | 2731 (2.28) | |
| Unknown | 2811 (2.35) | |
| Drinking status (≥ 20 yr) | Never | 95470 (79.75) |
| Frequently | 5900 (4.93) | |
| Every day | 2132 (1.78) | |
| Unknown | 16208 (13.54) | |
| BMI (kg/m2) (≥ 20 yr) | < 18.5 | 4238 (3.54) |
| 18.5-24 | 59117 (49.38) | |
| 24-28 | 41559 (34.72) | |
| ≥ 28 | 14796 (12.36) | |
| History of hypertension (≥ 20 yr) | No | 99327 (82.97) |
| Yes | 20383 (17.03) | |
| History of diabetes (≥ 20 yr) | No | 116701 (97.49) |
| Yes | 3009 (2.51) | |
| Familial history of HBV | No | 132997 (91.06) |
| Yes | 12016 (8.23) | |
| Unknown | 1034 (0.71) | |
| Immunization history of HBV | No | 75868 (51.77) |
| Yes | 50233 (34.28) | |
| Unknown | 20444 (13.95) |
BMI: Body mass index.