| Zhangqiu county | Rushan county | ||||
---|---|---|---|---|---|---|
HBsAg-positive group (number, %) | HBsAg-negative group (number, %) | P value | HBsAg-positive group (number, %) | HBsAg-negative group (number, %) | P value | |
Total | 1026 (100.00) | 1029 (100.00) | Â | 1022 (100.00) | 1025 (100.00) | Â |
Age (yrs) | ||||||
 Under 30 | 57 (5.56) | 40 (3.89) | 0.232 | 66 (6.46) | 72 (7.02) | 0.462 |
 30–39 | 161(15.69) | 170(16.52) |  | 79(7.73) | 79(7.71) |  |
 40–49 | 284 (27.68) | 275 (26.72) |  | 242 (23.68) | 237 (23.12) |  |
 50–59 | 226 (22.03) | 234 (22.74) |  | 336 (32.88) | 331 (32.29) |  |
 60–69 | 196 (19.10) | 200 (19.44) |  | 211 (20.65) | 222 (21.66) |  |
 Above 70 | 102 (9.94) | 110 (10.69) |  | 88 (8.61) | 84 (8.20) |  |
Gender | ||||||
 Male | 520 (50.68) | 529 (51.41) | 0.742 | 516 (50.49) | 525 (51.22) | 0.471 |
 Female | 506 (49.32) | 500 (48.59) |  | 506 (49.51) | 500 (48.78) |  |