Sampling design and recruitment

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Sampling design and recruitment

Each round associated with IBBSS utilized respondent driven sampling provided towards the concealed nature of MSM and therefore enables contrast between and across rounds. Respondent driven sampling (RDS) happens to be described in more detail in past studies 22, 23. Fleetingly, RDS is really a modified chain referral sampling that is non-random of recruitment that adjusts for the non-randomness employing a mathematical model that loads each sample recruited 23.