| Total cases | Person-years (p-y) | Number of seroconversions | Incidence rate x100/p-y | 95% C.I.* |
---|---|---|---|---|---|
ALL | 384 | 1,193 | 38 | 3.2 | 2.3 – 4.4 |
M. P. H. | 203 | 564 | 17 | 3.0 | 1.9 – 4.8 |
   Males | 167 | 476 | 15 | 3.1 | 1.9 – 5.1 |
   Females | 36 | 88 | 2 | 2.3 | 0.5 – 9.2 |
MSM | 181 | 629 | 21 | 3.3 | 2.1 – 5.1 |