Fig. 3From: Analysis of cluster randomised stepped wedge trials with repeated cross-sectional samplesModel-based estimate of underlying temporal trend in primary outcome over duration of trial in unexposed clusters (black line) and model-based estimated of outcome in intervention periods (red line) – basic model for the case study. Point estimates and 95% CI for each step with smoothed (LOWESS) line overlaid (black control; red intervention)Back to article page