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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: J R Stat Soc Ser A Stat Soc. 2015 Jan 27;178(3):619–639. doi: 10.1111/rssa.12091

Table 5.

Average number of successful recruitments per recruiter by wave and infection status of recruiter (with number of recruiters in parentheses). Uninfected recruiters were rare and unsuccessful in early waves, contributing to under-representation of uninfected participants in the sample. There were no uninfected participants in waves 0 (seeds) or 3.

Recruiter Recruiter
Wave Uninfected (N) Infected (N)
10 0.00 (7) 0.00 (24)
9 0.93 (14) 0.75 (24)
8 1.25 (8) 1.08 (26)
7 1.71 (7) 1.10 (20)
6 0.86 (7) 1.05 (20)
5 1.00 (4) 1.28 (18)
4 0.50 (4) 0.95 (21)
3 − (0) 1.67 (15)
2 0.00 (1) 1.07 (14)
1 0.00 (1) 1.15 (13)
0 (Seeds) − (0) 2.33 (6)
Total 0.89 (53) 0.99 (217)