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Table 1 Timing of study procedures by network

From: Mumps transmission in social networks: a cohort study

Location of network Date of onset (DOO) index Median (range) number of days between DOO index and start sampling among contacts in ring 1b Median (range) number of days between DOO index and start sampling among contacts in ring 2
1. Nijmegen 21-11-2011 30 (24–42) 45 (43–50)
2. Groningen 1-1-2012 19 (17–29) 30 (19–33)
3. Groningen 19-1-2012 26 (21–30) 32 (23–41)
4. Nijmegen 21-1-2012 23 (23–25) 31 (23–56)
5. Groningen 13-3-2012 20 (14–24) 30 (22–60)
6. Amersfoort 29-2-2012 28 (28–54) 34 (30–37)
7. Maastrichta 30-3-2012/20-3-2012 57 (57–57) 69 (69–72)
8. Nyenrode 25-3-2012 38 (38–38) 36 (27–40)
9. Wageningen 29-3-2012 27 (27–27) 36 (33–52)
10. Nijmegen 27-3-2012 31 (24–37) 48 (35–48)
  1. aThere were two index cases in this cluster, the first date of onset is used to compute the median days between DOO index and the start of sampling
  2. bMedian of these medians is 28 days