Skip to main content
. 2016 Apr 21;11(4):e0153690. doi: 10.1371/journal.pone.0153690

Table 3. Summary of captured contact pairs from Log and WREN during each period of the school day and overall.

Time Period
1 2 3 4 5 6 7 Lunch Between Classes4 All Day
Log
Participants1 393 381 357 326 313 285 290 337 - 446
Contacts 1680 1393 1367 1181 1112 931 1182 1638 - 10,484
 % of Total 16 13 13 11 11 9 11 16 -
Mean Degree 4.2 3.6 3.8 3.6 3.5 3.2 4.0 4.8 - 23.2
Median Degree 3 3 3 3 3 3 3 4 - 22
Degree IQR 2–5 2–5 2–5 2–5 2–5 2–4 2–5 2–6 - 13–31
WREN
Participants2 606 622 625 627 621 620 615 629 630 630
Contacts 3637 4226 4420 4062 4109 3818 3631 12,099 20,300 60,292
 % of Total 6 7 7 7 7 6 6 20 34
Mean Degree 12.0 13.6 14.1 13.0 13.2 12.3 11.8 38.5 57.4 133.1
Median Degree 11 12 13 12 11 12 10 37 57 133
Degree IQR 7–16 7–18 8–18 8–18 7–17 8–16 7–15 27–49 44–70 111–157
Mean Duration3 2.9 3.3 3.3 3.4 3.3 3.5 2.8 1.1 0.5 1.9
Median Duration3 0.7 1.0 1.0 1.0 1.0 1.0 0.7 0.3 0.3 0.3
Duration3 IQR 0.3–2.6 0.3–2.6 0.3–2.9 0.3–2.9 0.3–2.9 0.3–2.9 0.3–2.6 0.3–1.0 0.3–0.3 0.3–1.3
WREN >20 seconds
Participants2 600 617 616 620 611 613 598 622 625 630
Contacts 2384 2835 2868 2739 2790 2545 2323 4844 3773 27,101
 % of Total 8.8 10.5 10.6 10.1 10.3 9.4 8.6 17.9 13.9
Mean Degree 7.9 9.2 9.3 8.8 9.1 8.3 7.8 15.6 10.8 64.8
Median Degree 7 8 9 8 8 8 6 15 11 64
Degree IQR 5–10 5–12 5–13 5–12 5–12 4–11 4–9 10–20 7–14 51–79
Mean Duration3 4.2 4.7 4.9 4.9 7.8 5.0 4.3 2.3 1.2 3.8
Median Duration3 1.6 1.6 2.0 1.6 2.0 2.0 1.6 1.3 0.7 1.3
Duration3 IQR 1.0–4.6 1.0–4.6 1.0–5.2 1.0–4.9 1.0–4.9 1.0–5.2 1.0–4.6 0.7–2.6 0.7–1.0 0.7–3.6

The total Log contacts were 10,484 from 446 students and the total WREN contacts were 60,292 from 630 students.

1 Those who reported contact during the time period.

2 Those who had a recorded contact during the time period.

3 Duration in minutes. Lower values for 1st and 7st period likely because of distribution and collection of WRENs.

4 Between class contacts were only recorded by WRENs, not logs.