Fig. 2From: Analysing cluster randomised controlled trials using GLMM, GEE1, GEE2, and QIF: results from four case studiesForest plots showing the intervention effect estimate and its associated 95% CI for the four statistical models fitted using the continuous outcomes of three of the four CRCTs, where plots (a) & (b) are the unadjusted and the adjusted models fitted on the outcome data from PoNDER trial respectively, (c) and (d) is that of Informed choice and (e) & (f) is that of Bridging the Age Gap trial. The electronic version is in colourBack to article page