Table 3: Comparisons of internal workers according to exposure to water in free time, to air-condition in cabin and aerosol from CT during instruction meeting.
Exposure to CT water 2-12 hours/week | Seronegative 6 | Seropositive 11 | Total 17 |
Exposure to water in free time | 3/6 50.0% |
5/11 45.5% |
8/17 47.1% |
Exposure to air-condition in operating cabin | 6/6 100.0% |
10/11 90.9% |
16/17 94.0% |
Exposure during instruction meeting at the 4th CT | 3/6 50.0% |
11/11 100.0% |
14/17 82.4% |