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Fig. 3 | BMC Research Notes

Fig. 3

From: Lessons learned from respondent-driven sampling recruitment in Nairobi: experiences from the field

Fig. 3

Recruitment of people who inject drugs in Nairobi, 2011 (n = 275 including seeds). Recruitment of IDUs was initiated by six seeds who distributed 473 coupons, 352 were returned to the study site and a total of 269 individuals met eligibility criteria for study participation and were enrolled (76.4 % eligibility rate of returned coupons). Larger circles indicate seed participants

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