Table 1 Descriptives per condition.

From: Promoting physical distancing during COVID-19: a systematic approach to compare behavioral interventions

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

  1. 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.
  2. aCondition lasted only 60 min and was excluded from analyses.
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