Table 2.

Time duration of the test in which the distance between the subjects was not respected (±measurement uncertainty).

Compared subjects	Duration of the test in which the interpersonal distance (less than1.5 m) is not respected [min] ± uncertainty
1–2	0.76 ± 0.10
1–3	3.71 ± 1.54
2–3	6.28 ± 0.57
4–5	1.62 ± 0.91