Table 2.
Prevalence of hepatitis B surface antigen by other demographic and selected variables in Eastern China
| Variables | HBsAg negative (n = 137462) | HBsAg positive (n = 11469) | Prevalence (%, 95%CI) | P value |
| Marital status (≥ 20 yr) | < 0.001 | |||
| Unmarried | 6127 | 487 | 7.36 (6.75-8.02) | |
| Married | 96383 | 10012 | 9.41 (9.24-9.59) | |
| Divorced | 5808 | 456 | 7.28 (6.65-7.95) | |
| Education (≥ 20 yr) | < 0.001 | |||
| Illiterate or primary school | 61819 | 6733 | 9.82 (9.60-10.05) | |
| Middle school | 39830 | 3630 | 8.35 (8.09-8.62) | |
| College school | 6526 | 571 | 8.05 (7.42-8.70) | |
| Occupation (≥ 20 yr) | < 0.001 | |||
| Agricultural worker | 36186 | 4177 | 10.35 (10.05-10.65) | |
| Worker | 36717 | 3813 | 9.41 (9.13-9.70) | |
| Student | 1163 | 85 | 6.81 (5.48-8.35) | |
| Civil servant | 4672 | 457 | 8.91 (8.14-9.72) | |
| Public service worker | 4749 | 473 | 9.06 (8.29-9.87) | |
| Unemployed | 20297 | 1466 | 6.74 (6.41-7.08) | |
| Others | 4411 | 472 | 9.67 (8.85-10.53) | |
| Immunization history of HBV | < 0.001 | |||
| No | 68111 | 7757 | 10.22 (10.01-10.44) | |
| Yes | 48430 | 1803 | 3.59 (3.43-3.76) | |
| Familial history of HBV | ||||
| No | 123472 | 9525 | 7.16 (7.02-7.30) | < 0.001 |
| Yes | 10319 | 1697 | 14.12 (13.50-14.76) |
HBsAg: Hepatitis B surface antigen.