Fig. 1

Study flow of study within a trial (SWAT) participants in the ENGAGE host feasibility trial. Note. Solid black lines denote participant flow through the study, including study drop outs i.e., those who discontinued the study. Dashed grey lines represent participants that were lost to follow-up during assessments at post-treatment (12 week) and 6-month follow-up respectively, but had not dropped out of the study