Table 1.
Descriptives per condition.
| Condition | n | Duration (min) | Pre Q (%) | Post Q (%) | Age mean (± SD) | Males: females n (%): n (%) | Number of contacts < 1.5 m | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Range | Mean (± SD) | Median | IQR | |||||||||
| 1 |
08/28 13:30–15:30 |
Face mask bidirectional | 130 | 120 | 66 (51%) | 41 (32%) | 41.3 (± 17.0) |
32 (48%) 34 (52%) |
0–44 | 9.3 (± 7.8) | 8 | 3–14 |
| 2 |
08/28 15:30–17:30 |
No intervention bidirectional | 137 | 120 | 77 (56%) | 35 (32%) | 43.2 (± 15.1) |
34 (44%) 43 (56%) |
0–42 | 9.8 (± 8.5) | 7 | 3–15 |
| 3 |
08/28 17:30–19:30 |
Buzzer bidirectional | 122 | 120 | 66 (54%) | 24 (20%) | 43.9 (± 13.6) |
24 (36%) 42 (64%) |
0–49 | 11.7 (± 8.9) | 10 | 4–17 |
| 4 |
08/29 13:30–15:30 |
No intervention unidirectional | 147 | 120 | 86 (59%) | 40 (27%) | 43.4 (± 16.0) |
38 (45%) 46 (55%) |
0–48 | 11.0 (± 9.9) | 8 | 4–14 |
| 5 |
08/29 16:00–18:00 |
Buzzer unidirectional | 137 | 120 | 78 (57%) | 32 (23%) | 43.4 (± 16.9) |
31 (40%) 46 (60%) |
0–31 | 7.3 (± 7.8) | 4 | 1–11 |
| 6 |
08/30 13:30–15:30 |
Buzzer no direction | 123 | 120 | 62 (50%) | 18 (15%) | 42.2 (± 15.7) |
23 (37%) 39 (63%) |
0–38 | 10.3 (± 7.5) | 8 | 5–15 |
| 7a |
08/30 15:30–16:30 |
Buzzer no direction | 146 | 60 | 79 (54%) | 22 (15%) | 42.8 (± 16.1) |
31 (39%) 48 (61%) |
0–28 | 8.2 (± 6.1) | 7 | 4–11 |
| 8a |
08/30 16:30–17:30 |
No intervention no direction | 102 | 60 | 51 (50%) | 3 (3%) | 39.8 (± 16.0) |
20 (39%) 31 (61%) |
0–30 | 5.9 (± 5.3) | 5 | 2–8 |
Information on age and sex is based only on visitors who completed the pre-questionnaire and provided this information (n = 3 did not wish to disclose their sex). Number of visitors in each condition don’t add to N = 639, as some people stayed for more than one condition.
aCondition lasted only 60 min and was excluded from analyses.