Characteristics | Â | Participants | Seropositive* | Rate (%) | p |
---|---|---|---|---|---|
All | Â | Â | Â | Â | Â |
 |  | 11777 | 2592 | 22.0 |  |
Gender | Â | Â | Â | Â | < 0.001 |
 | Women | 6704 | 1206 | 18.0 |  |
 | Men | 5073 | 1386 | 27.3 |  |
Age (year) | Â | Â | Â | Â | < 0.001 |
 | 15-19 | 162 | 3 | 1.9 |  |
 | 20-24 | 2967 | 108 | 3.6 |  |
 | 25-29 | 5461 | 959 | 17.6 |  |
 | 30-34 | 2433 | 1050 | 43.2 |  |
 | 35-39 | 662 | 405 | 61.2 |  |
 | ≥40 | 92 | 67 | 72.8 |  |
Year of birth | Â | Â | Â | Â | < 0.001 |
 | ≤1965 | 114 | 84 | 80.0 |  |
 | 1966 | 72 | 48 | 66.7 |  |
 | 1967 | 98 | 62 | 63.3 |  |
 | 1968 | 119 | 84 | 70.6 |  |
 | 1969 | 220 | 122 | 55.5 |  |
 | 1970 | 247 | 139 | 56.3 |  |
 | 1971 | 347 | 191 | 55.0 |  |
 | 1972 | 391 | 181 | 46.3 |  |
 | 1973 | 517 | 222 | 42.9 |  |
 | 1974 | 621 | 238 | 38.3 |  |
 | 1975 | 796 | 287 | 36.1 |  |
 | 1976 | 1043 | 270 | 25.9 |  |
 | 1977 | 1095 | 201 | 18.4 |  |
 | 1978 | 1159 | 167 | 14.4 |  |
 | 1979 | 1205 | 144 | 12.0 |  |
 | 1980 | 1063 | 73 | 6.9 |  |
 | 1981 | 951 | 32 | 3.4 |  |
 | 1982 | 694 | 14 | 2.0 |  |
 | 1983 | 413 | 12 | 2.9 |  |
 | 1984 | 330 | 12 | 3.6 |  |
 | 1985 | 191 | 9 | 4.7 |  |
 | 1986 | 91 | 0 | 0.0 |  |
Birth in or after 1982 | Â | Â | Â | < 0.001 | |
 | Yes | 1719 | 47 | 2.7 |  |
 | No | 10058 | 2545 | 25.3 |  |
Childhood residence area | Â | Â | Â | < 0.001 | |
 | Urban | 4795 | 826 | 17.2 |  |
 | Rural | 6216 | 1616 | 26.0 |  |