Table 4.
Contact behavior of diners and staff.
| Parameter | Diner Mean (SD1) | Staff2 Mean (SD1) |
|---|---|---|
| No. of contacted diners | 5.2 (2.3) | 16.4 (12.0) |
| No. of contacted staff | 2.7 (2.0) | 10.4 (4.0) |
| Contact frequency with diner (times/min) | 2.1 (1.1) | 0.7 (0.6) |
| Contact frequency with staff (times/min) | 0.1 (0.1) | 1.9 (1.5) |
| Percentage of close contacts (%) | 96.6 (12.4) | 76.0 (25.2) |
| Duration per close contact (s) | 5.5 (2.4) | 8.6 (2.0) |
| Time spent on contact (percentage, %) | 19.2 (10.5) | 23.5 (16.8) |
| Time spent of mask wearing (percentage, %) | 2.5 | 8.6 |
1
SD: standard deviation.
2
Only staff who stayed more than 10 minutes were considered.