Table 1 Number of encounters/nominated individuals for each participant by recording source and day (mean; median and interquartile range; range)

25.7

20 (15,32)

(1-78)

24.4

22 (11,33)

(0-91)

14.8

14 (9,18)

(0-53)

15.9

14 (8,19)

(1-63)

14.7

14 (8,20)

(0-56)

9.0

9 (4,12)

(0-21)

21.2

16 (9,33)

(2-74)

20.3

16 (9,33)

(2-74)

12.3

9 (5,16)

(0-53)

9.9

8 (5,14)

(1-45)

10.3

9 (3,13)

(0-51)

5.8

5 (3,9)

(0-16)

27.5

25 (14,38)

(1-77)

21.8

19 (11,33)

(0-56)

15.0

14 (7,22)

(1-42)

17.6

15 (12,23)

(1-42)

13.9

12 (7,19)

(0-38)

10.0

10 (5,13)

(1-36)