Variable |  | Total subjects (n = 19307) | Positive subjects | Positive rate (%) | Statistical value | P |
---|---|---|---|---|---|---|
Gender | Â | Â | Â | Â | 1.167 | 0.280 |
 | Male | 12,377 | 1879 | 15.2% |  |  |
 | Female | 6930 | 1012 | 14.6% |  |  |
Age group | Â | Â | Â | Â | 67.431 | 0.000 |
 | 20–40 | 9689 | 1251 | 12.9% |  |  |
 | 40–60 | 7934 | 1332 | 16.8% |  |  |
 | 60–75 | 1684 | 308 | 18.3% |  |  |