JAMA Netw Open 2019 (Jan 4); 2 (1): e186828

Figure 1. Enrollment of Participants and Study Flow.

a   Primary analysis was comparison of outcome measures from baseline to 2 months. To follow the intention-to-treat principle as closely as possible, data from all participants who were randomized (including dropouts with baseline data but missing follow-up data) were included in the analysis using linear mixed models.