Table 4.
Proportion of workers screened for and infected with hepatitis B virus by sex and age group.
| Age (years) | |||||
|---|---|---|---|---|---|
| 20–29 | 30–39 | 40–49 | 50–59 | 60–69 | |
| Men | |||||
| No. tested for HBs antigen | 1,207 | 5,959 | 13,680 | 11,937 | 7,790 |
| No. positive for HBs antigen | 0 | 17 | 82 | 79 | 88 |
| Positive rate for HBs antigen (%) | 0.00 | 0.29 | 0.60 | 0.66 | 1.13 |
| 95% CI (%) | 0–0.22 | 0.14–0.43 | 0.47–0.73 | 0.51–0.81 | 0.89–1.37 |
| Women | |||||
| No. tested for HBs antigen | 1,058 | 4,118 | 8,412 | 6,395 | 3,379 |
| No. positive for HBs antigen | 1 | 13 | 56 | 31 | 23 |
| Positive rate for HBs antigen (%) | 0.09 | 0.32 | 0.67 | 0.48 | 0.68 |
| 95% CI (%) | 0–0.41 | -0.07–0.41 | 0.49–0.84 | 0.31–0.66 | 0.39–0.97 |
| All | |||||
| No. tested for HBs antigen | 2,265 | 10,077 | 22,092 | 18,332 | 11,169 |
| No. positive for HBs antigen | 1 | 30 | 138 | 110 | 111 |
| Positive rate for HBs antigen (%) | 0.04 | 0.30 | 0.62 | 0.60 | 0.99 |
| 95% CI (%) | 0–0.19 | 0.19–0.41 | 0.52–0.73 | 0.49–0.71 | 0.81–1.12 |
| Government report in 2016 (Ref.18) N = 728,131 | – | – | 0.4–0.6% | 0.6–0.7% | 0.8% |