Moderation Analysis
No significant effect moderation on either SCL or NS-SCR frequency was found for any of the potential effect moderators (eTable 4 in We considered that some moderation could be the result of confounding with baseline values for the outcome variables. However, including baseline values in the models changed results very minimally. Order of visits (RDE vs SADE first) was considered as a covariate, despite it not being a likely confounder as it was a randomized variable, with no significant findings (eTable 4 and eTable 5 in 