Per cent optimal adherence over time among the study population by 5-day, 30-day and adherence behaviour scales, by exposure status to community health workers-led intervention. Per cent optimal adherence over time among the study population by 5-day, 30-day and adherence behaviour scales, by exposure status to community health workers-led intervention. Patrick M Newman et al. BMJ Glob Health 2018;3:e000566 © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.