Figure 1. Flow diagram of Registrars’ participation in the study Intervention and analysis.<sup>#</sup>Pre-intervention number of registrars enrolled in the Intervention and Control training organizations, respectively, and whose first potential involvement in data collection pre-Intervention is in this Round.^Excluded Registrars—pre-intervention exclusions are registrars who did not complete their data collection or who did not consent to participation. Post-intervention exclusions also include registrars who did not have pre-Intervention data.*The number of individual registrars analysed post-intervention represents registrars who were eligible for the intervention/control and collected data both pre- and post-intervention. Note that an individual registrar could contribute one to three rounds of data pre-Intervention. From: Reducing early career general practitioners’ antibiotic prescribing for respiratory tract infections: a pragmatic prospective non-randomised controlled trial Fam Pract. Published online July 17, 2017. doi:10.1093/fampra/cmx070 Fam Pract | © The Author 2017. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.