Effectiveness and cost of recruitment strategies for a community-based randomised controlled trial among rainwater drinkers

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Rodrigo, Shelly; Sinclair, Martha; Cunliffe, David; Leder, Karin;

<p>Abstract</p> <p>Background</p> <p>Community-based recruitment is challenging particularly if the sampling frame is not easily defined as in the case of people who drink rainwater. Strategies for contacting participants must be carefully considered to maximise general... View more