| Self-estimation to the infection at the workplace | Level of risk in the workplace | |||
| Low risk | Moderate risk | High risk | Total | |
| No risk | 58 (17.5%) | 25 (6.9%) | 15 (3.4%) | 98 (8.6%) |
| Very low | 25 (7.6%) | 14 (3.9%) | 7 (1.6%) | 46 (4.1%) |
| Low | 73 (22.1%) | 56 (15.5%) | 40 (9.0%) | 169 (14.9%) |
| Moderate | 101 (30.5%) | 85 (23.5%) | 76 (17.2%) | 262 (23.1%) |
| High | 59 (17.8%) | 124 (34.3%) | 184 (41.6%) | 367 (32.3%) |
| Very high | 15 (4.5%) | 58 (16.0%) | 120 (27.1%) | 193 (17.0%) |
| Total | 331 | 362 | 442 | 1135 |