Meta-analyses of adherence to guided iCBT and individual face-to-face CBT.

aAs percentage of the total number of sessions. bAs percentage of all participants who were allocated to the treatment. cOverall heterogeneity (Q value) was significant for all analyses. Abbreviations: guided iCBT = guided internet-delivered cognitive behavioural therapy; FtF CBT = individual face-to-face cognitive behavioural therapy; C.I. = confidence interval.