Table 3.
Age distribution of subjects and their HBV status
| Age group (years) | HBsAg status, n (%) | Total subjects, n (%) | |
|---|---|---|---|
| HBsAg positive | HBsAg negative | ||
| 0–5 | 3 (0.5) | 653 (99.5) | 656 (100) |
| 6–10 | 8 (1.3) | 606 (98.7) | 614 (100) |
| 11–15 | 26 (5.1) | 479 (94.9) | 505 (100) |
| 16–20 | 45 (10.0) | 403 (90.0) | 448 (100) |
| 21–25 | 39 (11.4) | 304 (88.6) | 343 (100) |
| 26–30 | 31 (9.0) | 313 (91.0) | 344 (100) |
| 31–35 | 15 (6.6) | 214 (93.5) | 229 (100) |
| 35–40 | 14 (6.9) | 188 (93.1) | 202 (100) |
| 41–45 | 10 (6.9) | 135 (93.1) | 145 (100) |
| 46–50 | 6 (4.0) | 144 (96.0) | 150 (100) |
| 51 and older | 4 (0.9) | 349 (99.2) | 352 (100) |
| Total | 201 (5.0) | 3,804 (95.0) | 4,005 (100) |
HBsAg = hepatitis B surface antigen.